showing results for - "check for duplicates in array javascript"
Martina
12 Jan 2018
1let strArray = [ "q", "w", "w", "w", "e", "i", "u", "r"];
2let findDuplicates = arr => arr.filter((item, index) => arr.indexOf(item) != index)
3
4console.log(findDuplicates(strArray)) // All duplicates
5console.log([...new Set(findDuplicates(strArray))]) // Unique duplicates
Salomé
11 Nov 2018
1var array = [1, 2, 2, 3, 3, 4, 5, 6, 2, 3, 7, 8, 5, 22, 1, 2, 511, 12, 50, 22];
2
3console.log([...new Set(
4  array.filter((value, index, self) => self.indexOf(value) !== index))]
5);
Federico
11 Feb 2017
1let arr =["a","b","c"];
2// ES6 way
3const duplicate = [...arr];
4
5// older method
6const duplicate = Array.from(arr);
Emanuele
12 Aug 2019
1function hasDuplicates(array) {
2    return (new Set(array)).size !== array.length;
3}
Elena
26 Jun 2016
1var counts = {};
2your_array.forEach(function(x) { counts[x] = (counts[x] || 0)+1; });
Giacomo
09 Jan 2019
1[1, 2, 3].every((e, i, a) => a.indexOf(e) === i) // true
2
3[1, 2, 1].every((e, i, a) => a.indexOf(e) === i) // false
4
queries leading to this page
count all duplicates jsif arrays have duplicate values jshow to add duplicate elements of an array together in javascriptduplicate string javascriptfind all duplicates in a array javascriptjs find all duplicates in arrayhow to match for duplicates in javascript arrayjs array count same elementjavascript duplicates in arrayhow to duplicate an array javascriptjs create a copy of array and configurablehow to check element repetition in array javascriptdo not show duplicate values in js arrayhow to get duplicate values and count typescriptcheck if a inten is repeated in arraysearch duplicates javascript listcount of same number in arrayjs duplicate element in arrayhow to check if an array has duplicate values in javascript and splice themsame numbers in js arrayfinding duplicate elements from array in javascriptjs duplicate elemnts in arratyjs duplicate arrayhow to detect duplicate elements in jsjavascript get number of duplicates in arrayduplicate numbers in array javascripthow to find duplicate values in array in javascriptjavascript duplicate entryjs 2c count how many elements are equal in arrayduplicate find jsarray splice shallow copyhow to clone a array in jscheck if array has duplicate object javascirptcount repetition in array javascripthow to find number of duplicate elements in an array in javascriptduplicate an array in javascriptreturn only repeated elements in array javascripthow to check for repeating values in a javascript arraycheck array for duplicatescount only one value if we are getting dublicate value in object javascriptbest way to duplicate array jsduplicates in an arraylook for duplicates in list javascriptcheck array is repeated values javascriptforeach find duplicates javascriptangular find duplicate valuesfind same values in array javascriptget duplicated values from arraycount same values in array jshow to duplicate array javascriptjavascript array repeated valuesfunction to check array values for new values is it duplicated javascriptshow repeated values in string jshow to get the repeated values from javascriptcheck duplicated in arrayjavascripts how many duplicates in arraycheck if array of objects contains duplicates javascripthow to find top repeated values in array jsjavascript return all duplicates from arrayhow to count repeating strings in an array javascriptjavascript check if array values are uniquefind duplicate element in arrayhow to find number of duplicates in an array in javascriptrepeated array elementsjs array check if array has duplicatesjavascript algorithm find count of repeating values in arrayget array index of duplicate values jslist dom node duplicateduplicates jscheck duplicate record javascriptjs checl for duplicates in an arraycheck if there is duplicate in an arraysee duplicate numbers jsarray detect duplicates javascriptcount duplicates in array jsget duplicated element array javascripthow to find how many time an element is duplicated in javascriptcheck the duplicate in jscheck if item is duplicated in arraycount number of same elements in array javascripthow to find duplicate array in javascript using logichow to find a how many duplicates in javascript arrayarray duplicate in javascript for loopgive an array to sort out the duplicates from the array in javascriptjs duplicate nodehow do you find the duplicate number on a given integer array javascripthow to count how many duplicates injs find duplicate array in javascriptjavascript return duplicates in arrayjs count number of repeatfind repeating element in an array javascriptif there is any repeated element jshow to find duplicate array numbets in javascript using logicfind duplicate number in array duplicate values in arraycount duplicate array values jsjavascript get only duplicatesjs detect duplicate in arraycheck in array duplicatejavascriptcheck if duplicates in list array jsjavascript create duplicate array find how many times a number is repeated in list in javascriptduplicate value validation javascripthow to find duplicates in array in javascriptcount the repeated values in array and return count sum javascripthow to find duplicate values count in array using javascriptfind duplicate itens array javascriptjs count array duplicatesjs count number of same elements in listjs duplicate item in arraycount the repeated elements in array in javascriptjs clone arrrayjavascript detect duplicate stringhow to check duplicate array in javascriptduplicate function jshow to test for duplicates variable in javascript arrayhow do you check if there are duplicates in an array javascript 3fcount recurring strings in array javascript es6how to check for b duplicate value in an array javascriptwhy am i geting duplicate elements in list javascripthow to find same items in a array nodehow to get the amount of duplicate in array javascriptcheck duplicate javascriptget duplicate from array jsdcheck if there is duplicate value in an array jscheck if all items in array are unique typescriptcount duplicate array javascriptshow all duplicates in jsjs find non duplicates in 2 arraysjs compare array elements to find samejavascript get all duplicate elements arraynon duplicate array javascriptjavascript return duplicate values in array and countcount no of same items in array javascriptfind duplicate data in array javascriptjavascript if duplicates reverse arraycount duplicate values array javascriptduplicate array functioncontains duplicate javascriptadd to array clone js compare duplicates in multiple arraysarray count all repeated valuesfind duplicate element count in array javascriptcount repeated elements in an array in javascriptjavascript check if there is duplicates in arraycount duplicates jsis duplicate a js keywordjavascript count element repeated numbers in arraycount of number that repeated elements in an array jscopy arrays javascriptfastest way to check if array has duplicatesjavascript array check has duplicated valuesto get duplicate item in arrayfilter get number of same value javascriptjavascript array count duplicatesduplicate list javascriptduplicate element in the arraysee duplicate array javascriptget duplicate number in arrayfrom an array find only duplicate value in javascripttypescript array count same valuesarray from or slice to copycheck is an array contains duplicate valuefind non repeating element in an array javascriptjs es6 check array duplicateshow to find duplicates in javascript arraycheck for repeated values in array jsjavascript array search to fun duplicateshow to check data for duplicates javascriptfind a duplicate value in array by one itration in javascriptarray have duplicate items 3fjs array count duplicatesfunction typescript checks if a list as repetid elementsget element from array not duplicate jshow to find repeating elements in an array jsfind duplicate js loop formake duplicate elements jsduplicate numbers in arrayget duplicate values using set jaascripthow to get a repeated values with count from array in node jshow to check duplicates in array javascriptcheck how many duplicates we have in array typescript reducejavascript to find duplicates in tablehow many of the same value in array javascripthow to check if array has same values javascriptjavascript count same values in objectfind duplicate id in array javascripthow to find duplicates elements in an array javascriptmy array javascript is printing out duplicates valuesforeach duplicate in array javascriptcounting duplicates in javascriptjavascript compare two arrays and keep duplicatescloning array in javascriptmake array copy javascriptcount duplicate elements in javascript in an arrayif key value repeats jsjavascript for loop duplicates in arraycount given duplicate in jshow to check if the array has only one duplicate element jshow to get duplicate values from array in javascripthow to find non repeated number in an array in javascriptjavascript array duplicationjs array duplicate valuesget array with same value javascriptcheck if array has duplicate values reactjsjavascript count duplicates in stringjavascript how to find duplicates in arrayfunction to count total duplicates in array javascripthow to dublicate array jshow to check dublicates friiom the array jscheck if duplicate value exists in array javascriptclone an arrayfind duplicates in array without using loops jshow to check if the el array elements are not duplicate js how many times an element has been repeated in an array javascriptcheck for duplicates array javascriotduplicate array of arraysjs array get the duplicates and its countfind and print duplicates in javascript arraycount duplicates in arrayjavascript count repeats in an arrayjavascript find duplicate in arraycheck for duplicates in array typescripthow to create duplicate array in javascripthow to find number of repeated values in array jsarray of array find duplicate values javascriptduplicate function javascripthow to clone array in jscheck for duplicates in array jsget reoccuring item in array jshow to duplicate in javascripthow to track duplicates values in jses6 check for duplicates in arrayfind duplicate in array in javascriptfind duplicates in string javascriptcheck duplicate array javascriptduplicates in list js duplicate elements of arraycheck if array has duplicates jscount duplicated numbers javascriptjs duplicate checkhow to count duplicate values and add data in it array javascripthow to add to an array javascript using clonenodejs get duplicate elements in arraycheck if its duplicate in array in javascripthow to find the duplicate values in array in javascriptbest way to get repeated element in array javascriptcheck in array duplicate javascriptcheck if array has repeated valueshow to take out array duplicates in javascriptcheck duplicate in array typescriptcheck if there are duplicates in array javascriptget number of duplicates jschecking for duplicate string object array javascriptfind duplicate values in array jscount values same jshow to get duplicate form the string in javascriptcount duplicate in array in jshow to use count the number of duplicate values in an array javascriptfind duplicate javascripthow to copy array in javascriptfunction count duplicate count element that occur more than onedetect duplicate items in array javascriptclone arr in jsjavascript dup arrayhow to find duplicate values in jvascriptcount the number of repeating elements in an array javascripthow to duplicate element javascriptjavascript find duplicate values in array indexhow to get count of repeated elements in array javascripthow to count duplicates in an array javascripthow to count 2 items equal in an array javascriptjavascript array find duplicate values js duplicate count values in arraycheck for duplicate values in array javascriptcheck if no duplicate js arrayduplicate item in array javascripthow to find the duplicates in an array in javascriptjavascript tell if arrays contain duplicatesjavascript find duplicates in array es6js array duplicate in one arrayreturn all duplicates in array javascripthow to find duplicate elements in an array javascriptshow to find what number of recurring number inarray jaavsriptget duplicate elements in list javascriptduplicate number count in array javascriptarray contains duplicatesjavascript duplicate element in arraycount the duplicate elements in array in javascriptjavascript how to duplicate an elementfunction to find the same element in array javascriptfilter count duplicate jshow to duplicate arry using map jshow to check same value in array using filter jsjavascript return duplicates onesjs array duplicatesjavascript find duplicates in array without built in functionhow do you find duplicate numbers in an array if it contains multiple duplicates 3f javascriptjavascript map find in array duplicate rowshow to find the repeated number in an array in javascriptcount repeated elements in array javascriptjavascript find the duplucates array elemntduplicate the array in a arrayreturn true 2ffalse if duplicate value jsfind duplicate from array in javascriptif statement to a empty array to fnd duplicate elements jsjs efficient duplicate valuejavascript array check duplicate valuesduplicate value list in jsstring duplicates length in javascriptselect only duplicates in array javascript duplicates in array javascript displayfind duplicate in array jsdupolicate array javascriptcheck duplicat email in array javascriptfind duplicate array jsrepeated array javascriptfind duplicate values in array javascriptcheck duplicate content in javascriptfind duplicate javasciprtangular typescript duplicate check in array javascript element duplicatees6 count dupes in arraycount number of same values in array javascripthow to duplicate elements in jsfind duplicate element in array jscount repeated elements in an array javascriptcheck for duplicates in javascriptfind duplicat in array jshow to check if an element is repeating in an arrayhow to duplicate an array in jscount identical elements in list javascriptjavascript clone array easycounting duplicate values javascriptveryify there is duplicates in array javascripthow to get the duplicates from a string in javascriptrepeated values inside array javascriptcount the same value in array javascriptcontains duplicate in an arrayduplicate items in array javascriptfind all duplicates in javascript arrayfind duplicates from array ofarray javascriptcheck duplicate values array javascriptstack duplicates in an array javascriptcheck array against completed array for duplicate valueshow to find the count of repeated values in array jsjavascript get duplicate values in arrayhow to check if array contains a duplicate number in javascriptfind repeating number in arrayjavascript find similar string in arrayhow to return a duplicate in an array java scriptdetect duplicate javascript codeduplicate values compare in two arrays javascriptfind out if dupe javascriptget duplicates jstypescript find duplicates from arrayfunction to clone arraycount duplicate values in an array javascriptcount number of repeated numbers in jsjavascript duplicate elementcheck for duplicate words in a string jscount of dublicate elements in array jsif statement for duplicates in a loop javascriptget duplicate array javascriptdetect duplication in array jsarray prototype duplicatefind duplicates js arrayduplicate in array javascriptcheck for duplicates in array and return true or false javascripthow to keep the duplicates in an array in javascriptjavascript return duplicate values in arrayget repeated array values in javascriptjs list shallow copyget duplicate values in array jsjs repeated similar ifhow to count duplicates in array javascriptduplicate in jscount duplicate string in array jsfind duplicate from array with many values javascriptjs count duplicate in arrayhow to count a duplicate in a string and return number of time it is repeated jshow to compare two arrays and return duplicates in javascriptfind any duplicates javascriptjavascript if the array has no repeated valuesfind same string value in data array javascriptts check if duplicates in array javascriptduplicate data array javascriptjavascript make repeated array elemenetjavascript list duplicates create new arrayjavascript array how to count numbers of repeated elementsbest way to clone array javascripthow to get duplicate values in jsarray find number of duplicate values javascriptfind duplicate in list nodejscount how many duplicates we have in array typescripthow to duplicate an arraymethod to duplicate values from array in javascriptcontains duplicate elements in the arrayhow to check if a number is repeated in an array javascriptfinding if something is repeated javascriptfind duplicate values in array using for loop javascriptnew array with duplicate valuescheck 2 array duplicates javascriptcheck duplicate in jsjs code for duplicate entrynumber of duplicate elements jsget all duplicate values in array javascripthow to check if elements in the array repeats in javascriptnumber of duplicate values in array javascriptfind duplicates in jshow to duplicate an array matrix jscheck if element is repeated in array javascriptduplicate a arrayfind duplicate values array jsjavascript return duplicates oncehow get same value in array in javascript 5carray js duplicate examplefinding dublicate arrayget a div and duplicates it javascriptjs count same value in arrayhow to check how many repeated item in array javascriptjavascript item reapeat count in arrayjavascript method to count number of repeated numbersfind duplicate productcs jsjs find repeating elementget the total of all values and don 27t count duplicates in array javascripthow to count duplicate values in two array javascripthow to find duplicates in an array javascriptreturn array of duplicate items in an array jscheck same value in array javascriptfind duplicates in an array javascripthow calculate how many number repeated in array in javascripthow to check for duplicate elements in an arrayjavascript check repeated array valuehow to check if there is duplicate in array jsfind duplicated number jshow to check for duplicates in a list jsduplicates in an array javascriptcheck an array for duplicatesfunction to clone an arrayjavascript check string array for duplicateshow to check repeated numbers in an array with jsarray check for duplicateshow to find duplicate elements in a sorted array javascriptcheck duplicate true es6 reduce duplicates in an array and count them jsreturn list of duplicate elements in an array javascriptjavascript return non duplicate items from arraycheck for duplicate elements in an array in javascripthow clone array jshow to take duplication in array using javascripthow to check each for duplicates in an array mdnfind duplicates in an array typescriptget duplicates from an array jshow to duplicate item in an array javascriptjavascript clone array of arraysjs make duplicate array javascript check duplicate in arraylist duplicate jsget duplicate values in javascript arraycheck if an array of arrays contains a duplicate array element in javascripthasduplicates jsjavascript function find duplicate elements in arrayjavascript array list duplicate create new arrayduplicate javascripthow to find duplicates in a string of array javascriptarray values duplicated jshow to find duplicate item in array in javascriptreturn duplicate number jsjavascript get the duplicate name from arrayhow to find duplicate array values in javascriptcheck for duplicates in list javascriptis javascript has duplicate methodcount number of similar objects in array javascripthow to accpet only one element among duplicate elements from arrray javascriptcount number of repeated words in a array javascriptcount same value in array javascriptcompare items in an array is same javascriptcount duplicates in a string jsget only duplicate values in javascript arraycheck all none duplicate element in array jshow to count if element is same javascript count duplicates in arrayfind duplicate value arrayhow to duplicate an array in javascriptcount object repeat in array in javascriptfind duplicates javascriptcount repeated values array javascripttypescript check if array contain distinct valuearray count duplicates javascripthow to find duplicate number in arrayjs simplest way to check for duplicate items in arrayhow to check duplicates in javascript arrayhow to find repeated elements in an array in javascriptjavascript if duplicatesjavascript check if duplicates exist in arraycheck if an array has duplicate values javascriptfind duplicate string in array javascripthow to check array for duplicates jsjavascript get one of duplicate valuesfind duplicat item in array jsjs verify which elements are repeated in an arrayarray of name find duplicate by hase table javascriptboolean how to find duplicate values in array of objects using javascript error messagehow to count duplicate value in an array in javascriptfind repeated number in arrayhow to check for duplicats in jsduplicate value in array jshow to not clone an array in javascriptcheck for duplicates in array js for loopjavascript count duplicates in array of objectsjs count number of duplicate items in arrayhow to make duplicate items in array single countfind duplicate array elements javascriptget count of same array values in javascriptcalculating number of same element in array javascriptfinding duplicate numbers in javascript in arrayfind duplicates in javascript stringchecking for duplicates in an array jsreturn duplicates in array jscount repeated values in array javascriptcreate array with arrays duplicated javascriptdublicate arrayhow to check values in array in javascript if there are duplicatesfind the dublicate numbers javascriptfunction that copy an arrayhow to count repeated numbers in an array with jsjavascript check if array contains duplicate valuesno of duplicate elements in an array javascriptwrite a javascript function that takes 1 argument 3a an array of numbers this function finds duplicate elements from the array and return the array of duplicate elements check to see if array has duplicate javascript es6js for loop duplicatejs duplicate array not all elementsfind the duplicate number in the arrayjavascript find duplicates in two dynaminaction arraysduplication in array jstypescript program to find duplicates in array filterjavascript count duplicate elements in arrayget values that are not repeated array javascriptcheecking for duplicates in an array jsfind duplicate name in javascript arraycheck if the there ar a dublicate elements in the array jsfind the duplicate elements in an array 2bjavascriptververbally explain the strategy of the algorithm in javascript that finds duplicate numbers in an array of integers and prints them javascript check if array has dupesjs clonenode arrayhow to find duplicate elements in array in jscheck for duplicates in string javascripthow to find duplicate in array javascripthow to duplicate element in arraycheck duplicate in array in javascriptjavascript check for duplicate entriesduplicate element javascriptcount duplicate items of an arraynode js how to handle duplicatesletter count javascript duplicates in arrayarray item not duplicate javascriptarray of duplicate valuecheck repeated value in jshow to check for duplicates in a string jshow to find repeated elements in an array javascriptcreate an array by repeated javascripthow to count duplicates in javascriptcount repeated objects in array javascriptsplice to copy a list in javascriptcopy and array javascriptduplicates item in array jscheck duplicates array nodehow to count number of duplicate value in aray javascriptjavascript how to get number of the same valueduplicate elements arrayhow to find all repeated numbers in an array in javascriptcheck if an element is repeated in list javascripthow to find duplucates number array javascript w3 schoolcopy of an array in jschecking for duplicate in javascript arrayhow to recognize duplicate numbers in an array in javascriptjavascript array duplicate elementclone and arrayfunction duplicate js stringarray in array methods to find duplicate jsarray not contains repeated values javascripthow to get duplicate values in two types array in javascriptduplicates in arrayjs check if similar in array get duplictae number in array jsrepeat name count js for eachfind duplicate value with array javascriptjavascript get all duplicates in arraybest way to copy the array in javascriptcounting dupliates in jsjs how to duplicate elementhow to check for non duplicate values in array javascriptjs comparison operatorsstring duplicate javascriptcheck if an array contains a duplicate number 3fhow to attach a string to the duplicate values in array in javascripthow to check if duplicate id in for of loop in javascriptduplicate values in an array with javascriptcount number of same objects in array javascrtipjs for loop find duplicatejavascript return copy of an arrayshallow clone array creation javascriptarray contains duplicates javascripthow to check for duplicates in an array in javascriptcheck duplicates using for loop javascriptincrease count if their are duplicatesin the javascript arrayfind duplicates in numbers javascripthow to count duplicate elements in an array in javascriptcounting duplicate in an arraycheck if element is duplicate in array javascriptduplicate items in array jajs check array uniquehow to check html for duplicates in javascriptfind duplicate in array and regrouping in jsjavascript check if duplicate string in arrayjavascript check duplicatnode js find duplicates in arrayjs copay of array 5b array 5dcheck if array has two of the same values javascriptchecking for duplicates in an array javascripthow to check duplicate array value in javascriptjavascript test duplicate itemhow to check for duplicates in an array javascriptjavascript get duplicatesjs array of x duplicatesjs search through numbers no duplicateshow to check for duplicates in javascript arrayjs check if array has duplicatescount if array equals javascripthow to find duplicate values in javascript js check array for duplicatesfind array duplicate valuechecking duplicate in array javascripthow to check duplicates in an arraycheck if there is repeated javascripthow to duplicate a node javascripthow to get every duplicate list in javascripthow to check an array for duplicatesfind array duplicates javascriptjavascript count same value in arrayhow to find repeated number in an arrayhow to check duplicate value in arraycount duplicates in array javascriptjavascript count duplicates image in arrayhow to check if an item in an array does not repeat in javascripthow to get duplicate in string jshow to check for duplicates by filter in an array javascriptjs array find duplicatescheck for duplicates in and array javascriptjs number of duplicatesjavascript get one of duplicate variablescheck if array has same values in itarray duplicates in javascriptjs duplicate values in arraysee if theres dupes of chars in an array javascriptcheck array unique javascriptduping a array javascripthow duplicate value check in node jsjavascript fiind dulicatehow to duplicate javascript thishow to know how many times an item in array is duplicate javascriptcheck duplicates in list javascriptcount how many duplicates in jsjavascript check array for duplicate elementsjavascript find duplicates in arraysto push the duplicate item in array to end in javascriptcheck duplicate values in javascript arrayfind array duplicate jsarray duplicate javascriptrepeating elements in array javascriptjavascript get duplicates in array for loopcheck for duplicates in arrayfind number of duplicate of variables in array jsarray filter of javascript to check repetitionhow to find duplicate number in array javascriptfunction search array for duplicates put in new array javascriptjs check array duplicateshow to find out how many times does the value repeated in jsduplicate elements jsto find numbers of duplicate in arraycheck if duplicates in array jsduplicate string in an arrayjs array count same valuescount same things in an array javascriptcount the number of duplicates javascriptduplicate javascript arrayhow to get the amount of duplicate in string javascriptfind duplicates in a given array javascriptclone one array with map hasduplicates 28 29 jshow to make a shallow copy of an array javascriptfind duplicates in array in jshow to check double numbers array in javascriptjavascript array check for duplicateduplicate element in array javascripthow to find duplicates in one array javascripthow to check an array has duplicate elements in javascriptcopy an array jshow to check if number repeats in array javascripthow to find duplicated in a string using javascripttypescript check f array contains duplicateshow to check duplicate value on array javascripthow to check if there is a duplicate element in two array javascriptcount repeated elements in an array in jsshallow copy array jsrepeated array values javascripthow to get same value array in jsget non duplicated between arrays javascriptjs find duplicates duplicate of array without using inbuilt function javascripthow to check if an array is unique in javascriptcheck if array has duplicate values an reactjsget index of duplicate values jshow to find the count of duplicates jsjavascript how to find a duplicate number in an arrayhow do you find duplicate numbers in an array if it contains multiple duplicates javascriptarray duplicate check javascriptduplicates from array javascripthow to find duplicate numbers in javascriptcheck array duplicateclone js arrayfind the duplicates record in angularjs arrayhow to check for duplicate integers in jshow to check for duplicate values in array javascriptfinding a duplicate number in an array javascriptif there are duplicates in a string javascriptcount duplicate array nodejsarray of numbers ind duplicates jsfind duplicated in jsfind duplicate arrayjsjavascript for loop array duplicate elementsarray identical jshow to check if a value is repeated in javascriptcount same values in 2 arrays javascriptcount duplicate elements in array in javascriptcount sum of duplicates in array jsjs array every time the elemet is repeatedclone your array slice 280 29how to get the amount of duplicate in array javascript find 2 similar elements of arrayhow to check duplicate in an array in javascriptfind duplicates item in array jsfinding duplicates in an array jsfind duplicate elements in array in javascriptcheck for repeated values in list jshow to get how many a certain value is repeated in array jsclone an array in javascriptget one in same element in arraycount the same element in array javascriptjs has duplicates in arraychecking for duplicate values in javascriptjavasript find duplicae elements in arrayhow to compare two elements of array in javascript searchin duplicatescheck array duplicates javascriptduplicateexists javascriptjavascript get repeated element in arrayfind duplicate values javascriptcheck if every element in an array is unique javascriptfind duplicate values in array in javascriptof duplicates number javascriptduplicates value in an arraydisplay duplicates javascriptjs count duplicate value in arrayget count of duplicated values in array javascriptjavascript search for duplicates in arrayhow to check if numbers repeat in an array javascriptfind duplicate number in array javascriptcheck if array contains duplicates javascriptcheck duplicate element in array jsjavascript count values in array and return array without duplicatejavascript get non duplicatehow to check if array has duplicate valuescheck if array has no duplicate values javascripthow to fin the du 5blcates in two arrays in javascriptduplicates counter in javascriptjs get count of duplicates in arrayfind repeated elements in array javascripthow to find duplicate in jshow to find if an array has duplicate valuesfind duplicate elements in array jshow to have array of duplicates in javascripthow to get number duplicates from list in javascriptduplicate arraynew array with duplicate values javascriptfinding index of duplicate values in an array javascriptfind duplicates in two arrays javascriptclone an array using 5b 5dcheck for duplicate in arraynumer of duplicates in array jscheck if array has same values javascriptjs function for comparing array no duplicatescheck duplicate element in array javascriptjavascript duplicate arraycopy of array jscheck validation duplicate javascriptcount duplicate values in array javascriptif string is duplicate in array don 27t add javascriptclone an array js functionduplicate values in an arrayes6 copy info from arraydouble element in array jsfinding to total of duplicates in an array javascriptjavascript find duplicates in array of namesjs check duplicates in arraycheck for repeating number javascripthow to check that all numbers in array are unique javascriptwrite a javascript function that takes 1 argument 3a an array of numbers this function finds duplicate elements from the array and return the array of duplicate elementsarray count same values javascriptjavascript array check for duplicates by fiedljs copy from arrayhow to get duplicate values in array using javascript using loopcheck an array for a duplicate javascriptfind duplicate values and group the duplicate values in array javascriptcheck if on array there is repeated values javascriptduplicate the elements of a given array into the same array javascriptfind duplicate values in array using javascript loopsfind duplicate values in arraycheck if counter has duplicate values javascriptmake duplicate array in javascripthow to search how many repeated values in an array jsfind out duplicate and its count from array in javascripthow to find duplicate number on integer array in javascriptcheck if arry doesn 27t have duplicate jsjavascript array duplicate elementsfind if has duplicate at arrfind duplicate element in array javascriptjavascript how to find duplicate values injavascript check if number repeats in arrayfind duplicate in javascriptforeach in javascript if duplicatesjavascript find duplicatescheck if repeated element in array javascriptduplicate count in array javascriptrepeated number in arrayfind duplicates in javascriptfind out duplicates in array javascripthow ot find dulicate array elemen in jshow to get all duplicate records from array using javascriptcount duplicate javascriptfind duplicate element in javascript arraychecking for duplicate entries in javascriptcheck if array has same valuehow to clone array jsnumber of duplicate elements in array jsarray check duplicates javascripthow to find the number of the times that the value is repeated in an array in jsget count of repeated values in array javascriptind the duplicate number on a given integer array javascripthow to find the duplicate values in array by given value in javascriptreturn all values that have a duplicate jsjavascript count of repeating elementn in arrayduplicate item jsjs list duplicate counterdeduplicate array jsjs array compare elements with same valuehow to count repeated elements in array in javascripthow to count how many time an item is repeated in an array javascriptduplicates in array javascript return none duplicatesfind number of repeated elements in array javascriptcount how many times elements in an array are repeated javascriptes 6 shallow copy arrayjavascript check array duplicate valuesjavascript filter find duplicateshow to find how many times a number is repeated in javascriptreturn duplicate in array in jsget number of repeat of value in arrayes6 check duplicate in arraycheck for duplicates in jstypescript array count same values get numberhow to check if there are repeating values in an array javascriptjavascript check if array contains duplicatesget non repeated values from array jsjavascript count duplicatecheck for duplicates in two lists javascriptjs not cloning array ho to duplicate something in javascriptcheck array for duplicates javascripthow to find duplicate elements in two arrays in javascripthow to duplicate each elements of array in javascriptjavascript find duplicate in stringfind out how many times a number is repeated in array jsreurn a duplicate number in javascriptget duplicates numbers in array jsclone same array in a loopfind duplicate elements in array javascriptjavascript get elements with same value in arraycheck for uniqueness javascriptcheck for duplicates in array javascriptfind out the duplicate values in javascript array 5b5 2c 2 2c 1 2c 2 2c 3 2c 3 5dcompare 2 arrays and return the items that are similar jsto check if number in the array repted than one value javascripthow to count duplicate values in list javascripthow to count through array with similar element jshow to check for duplicates in array javascriptjavascript array check for duplicatesfind duplicate values in array using javascriptreturn true if there is duplicate in array jshow to check 2 duplicate array in javascriptnumber of repeating elements in an array in javascriptget index of duplicates in array javascriptcount even pair of duplicates javascriptjs count same items in arrayjs how to find repeated values jsnot duplicate values in javascript arrayes6 array has duplicatehow to know if a number has a duplicate in an arrayfind repeated number in array javascripthow to check current javascript object is duplicate value exist or notjavascript duplicate element to arraycount recurring in array javascriptjs have duplicate in stringhow to get duplicate list from array and count in javascriptget duplicates from string javascriptcount array duplicate values jsfindall duplicates in an array jscount the duplication of number in js arrayfind repeated numbers and their count in an array javascript store duplicates in jsjavascript check duplicates in arrayduplicate element in arrayfind duplicate elements in arrayfunction duplicate jsjs doublicate arrayjavascript count item repeatedfind if an element is repeated or not in array js find duplicates in array jshow to check data in same array in javascript which is repeatedsearch duplicate element in arrayarray cop methods jsget number of duplicate and unique values in array javascriptclone aray jsarray find repeated numberfind duplicates in the list javascriptjavascript find duplicates in array by valuefind duplicate integer in array jsduplicate values in array javascriptjavascript check duplicates valuehow to count number of duplicate values in array in javascriptcount same item in array jsdetermining if there repeated numbers in an array javascriptget count of repeated elemtns in array in jscount same values array and put it on an object jshow to find duplicate values in a line in jsjavacript find duplicates of a value in an arraycount array element with same name in typescript count duplicate numbers in array javascriptjavascript show only duplicates arrayjavascript shallow copy arrayget duplicates out of array javascriptchecking array has duplicate in jsmap count duplicated jsget count of duplicate values in array javascriptfunction that duplicates data in array jssolving js duplicatesjs clone array of elementscopy an array array splice 28 29find identical value in array by name nodejsget number of duplicate items in an array jsfind all duplicates in an array javascriptduplicate id count javascripthow to find duplicate elements from arraysplice modifies clone arrayhow to get duplicates from an array in javascriptduplicate a node javascriptcount equal elements in array javascripthow to check array repetition javascripthow to check if array includes duplicatefind duplicates in js arraycheck if string has duplicate character jshow to find deuplicate numbers in array in jssimilar element in array javascriptjavascript duplicate array elements setcount repeated value in objectget number of duplicates from array jsfind duplicates in string array javascriptjavascript test every member of array is uniqueduplicates in an array jsget duplicate elements in array javascriptcheck if array is unique javascriptcheck duplicates in array javascriptjavascript check if array json conatins duplicatefind duplicate or repeat elements in js arraygetting duplicated items in arrayfind not duplicates in javascriptcount repeat in map javascriptcount same elements in array javascripthow to set an array of values not repeated in javascriptjavascript clone array functionsjavacsript duplicate nodejavascript countduplicatehow to make a function to check duplicates in array javascriptduplicate item into an array javascriptjavascript find duplicate items in two arrayjavascript function to check duplicate numerical valuesjavascript array for each no duplicatescoffescript get duplicate values in arrayjavascript find duplicates in arrayhow to check for duplicate elements in an array in javascriptcheck for duplicat values jsjs create copy of arrayhow to find duplicate elements in array in javascriptduplicate in arrayhow to find duplicate values in arrayfind duplicates in a string javascriptcheck for duplicates jsduplicate values together in an array javascriptreturn duplicate number in array using jschecking for duplicates in array javascriptjavascript array of strings find duplicatesmethod to check for duplicates java scriptjs create clone of arraycheck if there are duplicates in array jsrepeated statement in javascriptjavascript duplicate array easyjs duplicate elementhow to know if an array has duplicates in javascriptfill duplicate values in array javascripthow to duplicate an array by a number in javascriptcheck for if a value is duplicate in an array javascripthow to find duplicate number in an arrayclone array to another array javascriptjavascript clone araycheck if an array contains a duplicate numberhow to check duplicates in array in javascriptjavascript program to find duplicate values index in a javascript arrayfind by id all duplicate elements in array javascriptfind the duplicate numberi n the array es6js verify if list has repeated elementscheck duplicates in array jscount duplicates values in arrayduplicates in array jscheck for duplicate words in a string and put them in array jshow to clone an array in javascriptjs get all duplicates in arraycheck if duplicate in array javascriptfind duplicated value in array jsjs find duplicatefind duplicate words in array javascriptduplicate value javascriptjs duplicate functionhow to find the duplicates values in javascriptmake an array of duplicate values javascriptfind all duplicates in array javascripthow to check duplicate in array javascriptjavascript count array duplicatesget non repeating values from array javascriptcheck how many duplicates are in this array javascriptcheck for duplicates in javascript arrayhow to search if elements are repeated in an array in javascripthot to count repeated array values javascriptjavascript get only duplicate values in arrayitem in array is duplicate and which onesduplicate array in javascriptcheck if there duplicates id javascriptdisplay repeated numbers in array javascriptjavascript check if array has duplicate valuesjavascript find duplicate array elementshow to create a duplicate array in javascriptcount duplicate values jsjs count duplicates in arrayarray methods to find duplicate jsjavascript searching array for duplicate valuefind duplicate values array javascriptif string contains duplicates 2b return false 2b conditional statement 2b javascriptcount same values in array javascriptduplicate numbers javascriptcheck if array has duplicate values typescripthow to duplicate contents of an array javascripthow to check if exist duplicate values in an array typescriptduplicate entries in array jsfind duplicate in array typescriptfind unique values in an array contains duplicatecheck array for duplicates jscount same items in array jsfind duplicate number in array in javascriptcan array have duplicate valuesfind how many duplicated in array jsinsert if there is no duplicate in array typescriptduplicate id javascript count javascript check if array is uniquejavascript array get duplicates items countfunction to check array values for new values is it duplicates javascriptarray method to find duplicate jshow to find duplicate elements in an array using map in javascripta array find non repeated element javascriptcheck for duplicates arguments javascriptfind number of duplicates in array jsfind the second identical value in an array javascriptarray duplicate element javascriptjavascript copy array to setcount repeated value in arrayhow to find repeated words in array in javascriptjavascript find duplicates in stringclone your arraycount duplicates javascriptjavascript find counts duplicatejavascript check array duplicatereturn duplicate array values in array javascripthow to know there is duplicate in string javascriptlook for repeated elements in a string jscheck if array has duplicates javascriptcounting duplicates javascriptjs dublicate arraymake duplicates elements jsknow an element is duplicate string array javascripthow to check for a duplicate in arrayhow to get duplicate values in array in javascriptcheck if array item id duplicate values javascriptjavascript find duplicatecheck if are duplicate values in arrayduplicates array javascriptfind duplicates javascriptarray count duplicates values javascripthow to get only duplicate item in array javascripthow to find the number of times a string is being repeated in an array in js javascipt how to copy an arrayfind duplicates and their count in an array javascriptcounting duplicates in jshow to find duplicates the count of dupliactes in array jscheck if array contains duplicateshow to get repeat data from a data set in jscreate duplicate elements in array javascriptrepeat name count js how to check if an element is repeated in an array in javascriptfind duplicate items js arrayduplicate string by int jshow to find number of duplicate elements in an array in javascript using logiccheck for number of repeated values in array jshow to find duplicates in an array in javascriptfind non dublicate in jsarray duplicate elements javascriptfind duplicate from list jsduplicates string javascriptcount the totsl repeated values in javascriptjavascript return non duplicate items only from arraycheck duplicate string in array javascriptsearching duplicate words in array jscount if a value repeats in a array javascriptduplicates string jshow to find repeated numbers in string 3f javascriptjavascript array find dublicatesjs duplicate arratfunction to return true if duplicate value javascriptjs count same values in arrayhow to find how many times a number was repeated in javascriptjs most efficient way to copy an arrayjs find duplicate numbers in an arrayget duplicate records in 2 array javascriptjavascript get only the duplicate values in arrayif there is the same value array jsjavascript check duplicates in stringhow to find duplicates in one array javascriptsee if there are doubles in array javascriptjavascript check for array duplicateshow many same elements in array javascripthow to check for a duplicate javascriptfind howmany item duplicated in an array jsjs check array duplicate stringget duplicates from array javascripthow to check if array has duplicates check if an array contains a duplicate elements list return in jscheck that list is unique javascriptchech dublicated item in array javascriptarray duplicateshow to get count of element duplicates in array in jscheck if array has duplicate jsprint single value on repeated value in array javascripthow to duplicate a number in jssearch duplicate in array jscount reacurring number in jsfunction for check array not doupicatejavascript array cloningfind dupicates value in arrayfind how many duplicate in array javascriptto get duplicate item in array in jshow can i duplicate elements of arrayhow to check if there are duplicates in an array jshow to check if all elements in an array are duplicates jshow to find the duplicate values by given value in javascriptfind duplicate values using set jaascriptadd to add a number of duplicate letter to an array javascriptjavascript count number of duplicates in arrayjavascript clone an arrayjavascript array count same valuesjavascript check if duplicate variables in arraycheck duplicates in list node jsduplicate values array javascripthow to make duplicate array with existing item in javascriptdetermine if it has duplicate elements in the array jsjavascript duplicate value in arrayarray clonefind non duplicate element in array javascriptjavascript check array for duplicate valuesjavascript search double in arrayget no repeated values from a array javascriptjs duplicate array elementshow to find duplicate from indicies of an arrayjs find duplicate number in arraycount duplicates in an array javascripthow to duplicate arraycount same elements in array es6 javascriptjs array duplicate checkhow to check for repeated integers in an array jshow to find repeating numbers in an arrayhow to check array duplicates valuesmake shallow copy of array javascriptjs find duplicates in arrayhow check when array elements will repeated in jsextract duplicate values from an array javascriptfunction to count duplicates in array javascriptfind dulplicates in array js duplicate values in array javascriptcounting duplicates list jshow to duplicate array jsjavascript check for duplicates in arrayhow to count duplicates in array jshwot to check if an array has duplicate jsfinding a duplican in array in javascriptjavascript array does not repeat duplicatcheck duplicate values in array javascript with setjavascript count duplicate string arrayhow to find count of repeated number in array javascriptcount duplicates in jsone number is duplicate in array find that numberarray of duplicate elements in javascriptcheck array of duplicates without inbuilt function javascriptdisplay duplicate value using javascripthow to copy an array javascriptjs how to check for repeated strings in an array javascript fastest way to check for duplicateshow we can create for loop function duplicate array in jawascripthow can i get array from function and copy it 3fget the number of bnjects with same value in array javascriptjavascript duplicate dom elementjs array count duplicatejavascript return only duplicate entries from an arrayduplicates in array javascriptcheck for array duplicatesduplicate method in javascriptjavascript how to check if array has any matching valuesfind all non duplicate values in aray javascripthow to find the number of elements repeated in array successively jsjavascript cloning arrayduplicates from array jscount of elements repeated in array javascriptjavascript how to find no of repeated elements in arraycheck 2 array if duplicate values javascriptcheck if array has duplicate numbers javascriptfind duplicate array javascripthow to check array for duplicates javascriptcheck if array contains duplicate values javascriptduplicate array into new array javascriptcount duplicate value in array in jscheck if array has duplicatesclone array node jshow to get array duplicate items javascripthow to compare two elements of array in javascript searching duplicatesjavascript array duplicate valuesjs getting duplicate elementsduplicate elements in array in javascriptjavascript array find duplicate elements counthow to check how many duplicates are in an array javascriptcount duplicate elements in array in jshow to find duplicate elements in an array javascript 5chow many same elementshow to take duplicate numbers from list in jscloen array check for duplicate value jshow to find repeated index javascript arraycount duplicate in array jshow to check the duplicate numbers in array in jscheck duplicate in array of arrays javascriptjs how to clone 2 arraysclone array javascriptfind duplicates from numbers in jsfastest way to check for duplicates in javascriptcheck if array element repeated itself javascriptjs duplicate for loopcount similar values in array with key value pairfind duplicate count in array javascripthow to duplicate a array in jshow to check if data is unique in jscheck for duplicates typescripthow many repeated values in an array javascripthow to find the duplicate values in javascriptduplicate in an arraycreate duplicate element of an array in jsjs check no duplicates in arraycheck for duplicates around a cell javascriptcheck duplicate string jsarray with duplicate elementsduplicate array javascript es6javascript duplicate array elementsclone arrayreact count similar valuesjavascript array of numbers find duplicatesfind duplicates from array javascript how to count same names in array in nodejsfind duplicate in arraycalculate repated array item count js 27javascript find duplicates in array without build in functionjavascript check if all values are unique in arrayhow count the same numbers of element in array javascriptfind duplicate elementcount in array javascriptprint number of times a number is repeated in an array in javascriptcloning array is not workingjavascript check for dupes in arrayhow to find if there are duplicates in an array jsarray has duplicates javascriptfind if duplicate in array javascriptcout of duplicate in array jsfunction that duplicates an array javascriptlook for duplicates in array javascriptcount same values in string javascriptcheck no duplicate item in array javascriptget duplicate array in an array javascriptfind duplicates in a javascript array onlinespot duplicate set jsduplicate elements from the arrayjs duplicate code detectionfind array duplicates in node jshow to clone array in javascripthow to test for duplicates in an arrayfind duplicates in array javascriptcheck if there any duplicates in array javascriptjs 2 arrays count how many equal entriescheck duplicate numbers from array javascripthow to check for repeated words in javascriptfinding multiple duplicates in array javascriptjavascript find duplicate numbers in array and return true or falsehow to count duplicates in javascri 5bt arrayjs array check for duplicatescount duplicates array javascripthow to count duplicate elements in array in javascriptjavascript find duplicates in an arrayjavascript count repeated numbers in arraycount duplicate count in array javascripthow to check duplicate data in node jsjavascript detect array duplicate valuescount duplicate values in an array in javascript with foreachhow to get of count of repeated elements in array javascriptarray find duplicates javascriptarray duplicate js es6to find duplicate elements in an arraycount duplicate in array javascript without using if elsestring duplicates in javascriptcount number of duplicates in array javascriptget length of duplicates in array javascriptcount non duplicate value in array javascriptcount number of same elements in list array javascrtiphow to find number of duplicate elements in an array in jvascriptcount duplicate item in array nodejstypescript clone array of arraysfind duplicate numbers in array javascriptcount same elements in array jsmake a copy of a js arraycheck for duplicates array javascriptjs array count occurrences of dublicatesjavascript to find list of duplicate values in arrayufind if string in array is unique jshow to find the count of dupkicate values in the array jshow to return the number of repeated numbers in an array javascriptcheck if item is unique javascripttypescript program to find duplicates in array check for no duplicates in array javascripthow to find the duplicate number in an arrayhow to find duplicate elements in an array javascriptget duplicates array javascriptjavascript includes duplicateduplicate lists javascript fixcheck duplicate in array jsjs count same object valueshow to find duplicate numbers in arraycheck names if duplicate keep 1 javascripthow to check if something is a duplciate in an array jshow to count duplicates in jsget number of duplicates in an array javascriptcheck an array for duplicates javascriptduplicate html element javascriptduplicate jscheck for duplicates value in an arrayhow to get the duplicates data from array in javascripthow to check the duplicate number with indexofcheck whether array has duplicate elementsjs get duplicates in arrayfind and return duplicate integers in javascripthow to check how much duplicates in array jsfind the duplicate item in array js nodejs duplicate all elements in arraycheck for duplicates in array object and return true or false javascriptwrite a javascript function to clone an array count same values in javascript arrayjs check if element repeatedhow to check double numbers array in javascriptnumber of duplicate elements in array javascripthow to dublicate array in javascriptjavascript how to find a duplicate number in a stringjs get random but not duplicate element from arrayjs count duplicate content in arrayjavascript check to see if element in array is duplicatedcheck same entry in array javascripthow add element in empty array and see if it is duplicated jsfind same numbers in array javascripthow to use count the number of duplicated values in an array javascript check that there are no duplicates in array in jsjavascript find duplicates in array in javascriptjs duplicatecheck if element is unique in array javascriptprint duplicates in array javascriptjavascript duplicate an elementget duplicate values from array in jses6 count dupes words in arraycheck if duplicate elements in arrayfind the duplicate number in an arrayduplicate in javascriptfnd the duplicate element in javascript listjavascript no duplicates valuecount duplciated in array js how to count duplicate value in an arrayjavascript duplicate checkercheck duplicates inside array javascriptcount repeated elements in array jsarray contains duplicate elementsget duplicates from array jscopy a array in javascripthow to get values that are not repeated javascriptduplicate free array in jsownit duplicate elements in array in jshow to find the same elements in the js arrayslice javascript clonehow to find duplicate value in an array javascriptfind number of duplicate item in array in javascriptjavascript array how many duplicates checkjs check if list contains duplicatescheck for duplicate in array javascriptfind non repeating element in an array using javascriptcount multiple repeating value in javascript arrayjs clone array and insertduplicate arrays jscheck to see if array has duplicate javascriptfind duplicate number in array jstypescript check array on duplicateshow to get non repeated values in an array using javascriptjs count duplicate values in arrayjavascript count repeated words in arrayjs find duplicate in arrayfinding duplicates in an unsorted array javascripthow to check if an element repeated in an array jsfind duplicate values in array using javascript for loopget duplicate values in array javascriptjavascript check list for duplicatesfind duplicate values in a javascript arrayhow to find duplicate items in a aray in javascriptif string is repeated javascripttypescript find duplicates in an array erveryfind duplicate index in array javascriptreturn duplicate value from arrayjavascript check if array has duplicatescheck if array have a duplicate value javascriptfind duplicate numbers in arrayfind duplicate words in array of string javascripthow to find a count of duplicate values of each item is repeated in an array in typescriptfind how many times a string is being repeated in an array in jsjs duplicate elements arrayjs array clonejs clone arrayarray get duplicate valuesreturn count of same values in an arraycheck if there are any duplicates in list jshecking for duplicates in an array javascript clone arrayfind duplicate in array in jsjs check duplicate in arrayhow to find out repeated values in javascriptfind duplicate items in array javascriptfor loop array duplicated elements javascriptfor loop to check duplicates javascriptcount duplicate in string javascriptjs set duplicatet strnigshow to find duplicate values in array using typescripthow to find duplicate values from array in typescriptchecking for duplicates in jsfind out the duplicate values in javascript array 5b5 2c 2 2c 1 2c 2 2c 3 2c 3 5d 5cduplicate entries in array javascriptjs 2bfind duplicate count in arraycheck two number in arrays duplicates javascriptcheck if array elements are unique javascriptduplicate elements of array javascriptjavascript get all duplicates indexcheck for duplicate numbers arrays javascripthow to find duplicate numbers in node jshow to get one value out of duplicate values in an arrayget duplicate count in array javascriptcheck array duplicate valuesjavascript if duplicate check if array has duplicate keys javascriptjs shallow copy arrayfind duplicate jsjs number of repeated element in arrayclone 6 list items at once javascriptto find duplicate number in an array in javascriptjavascript count duplicate string values in arrayjavascript get duplicates in arraynumber of duplicate elements in arraytypescript check duplicate in arrayhow to count duplicate values javascriptarray cloningcount repeated element numbers in javascriptcheck if list contains duplicate elements javascriptget itemjavascript detect duplicate elementsarray contains duplicateduplicate an array jscheck duplicate values in array javascriptcheck if there is duplicate in an array jsfind out how much duplicates in an array in jsfind duplicate words jsduplicate element jsjavascript only extract duplicates from arraycounting the number of duplicates in javascriptfind all repeating number in array javascriptarray of array containes duplicate array jshow to check if an array contains duplicate occurences in javascriptduplicate elements in array jscheck duplicate in arrayhow to know if a text is repeated in an array javascriptjavascript tell if arrays contiain duplicateshow to get non repeated values in array jsjavascript array has duplicatesfastest way to count number of duplicates in array javascriptduplicate in array javascript loophow to check an array has duplicate element in javascriptfind the late occurence in array javascriptarray duplicate using for loop javascriptduplicate elements in array javascripthow to check duplicate values in javascript array find a dupplicate number in array jscheck if duplicates in array javascriptduplicate string in array javascriptrepeated numbers in array with indexes javascriptjavascript how many duplicate an arrayget repeated value of an arraycounting duplicates jscount if a value repeats in an array javascriptcopy an array and push javascriptcheck if repeated number in array javascriptduplicate matrix jscheck duplicate elements array javascripthow to find repeated string javascriptjs find duplicate values in arrayarray javascript duplicatesjs elimate array duplicatehow do you find the duplicate number on a given integer array 3f javascriptcreate duplicates strings in array jscheck if duplicate record in array javascriptjs check if has duplicateshow to find duplicate values in array javascriptcount matching values jsjavascript duplicate response in arrayhow to store duplicates in jshow to chekc duplicate elemtn in array in javascripthow to check if an array has duplicate valuesreturn true if the array contains duplicate elements javascriptjavascript find repeating values in arrayhow to make count for repeated elements in array javascriptjavascript array duplicate countarray clone javascriptsearch array for duplicates javascriptjs check if have duplicate values in arraycoiunt repeated values in 3 arrays javascriptfind duplicateletter in array jshow to count same words in an array javascripthow to count the duplicates in jsjavascript check if string has duplicate valuestypescript find duplicates values in an arrayjs how to dup arrayselect repeated string in javascriptfind repeat value array length in javascriptfind duplicates jshow to count duplicate values in array javascriptreturn all duplicate value jshow to check for 3 duplicate items in array jsfind duplicates in list javascripthow to use a js function to name a clone of an arrayhow to create a copy of matrix in javascriptdublicate an array jscheck for duplicate values in arraycremove duplicates from javascript arrayfind the duplicate string in array in javascriptjavascript duplicates sets from arrayduplicate values in arrayjavascript array check duplicatefind duplicates in javascript string arraychecking for duplicates in js arraysearching duplicated words in array jshow to check if element is repeated in array javascriptcreate array js duplicatescount the total number of duplicate elements in an array jshow to find out what element is a duplicate when filtering an array javascriptarray duplicatehow to print duplicate values in array in javascriptchecking for duplicates in an arrayarray duplicate elementscheck duplicate values in array i javascriptcheck if array has duplicate values angularduplicates and count in javascript arrayjs array of duplicateshow to check duplicate elements in array javascriptjavascript array same value countjavascript check if array json conatins duplicatesjavascript copy clone arraycheck for duplicate arrayscheck for duplicate string in javascript arrayfind duplicate value array javascriptfind duplicates in javascript arrayfind array duplicates in javascripthow to check if an array is repeated in an array with javascriptvalidate duplicate in array jscopy an js arrayhow to detect if there a duplicate value in javascript arraycheck for clones in arrayfind duplicate array in an array and count javascriptjavascript find array repeating elementsjavascript clone arrayhow to check how many duplicate values in javascript arrayjavascript push object to array clonedetermining number of repeats in an array jsknow the number of repeats in the array with javascriptcheck for duplicates javascriptfind duplicates in arrayto identify duplicate item in array in javascripthow to find index of duplicate value in array javascriptcount how many times key value is same in javascriptjs check for duplicates in arrayarray of name find duplicate by using hase table javascript o 28n 29javascript count same elements in arrayhow to get amount of equal items in an array javascriptjavascript array duplicatechek if dupliicate in array jsdublicate array jshow to tell if every element in an array is unique jsjavascript array get duplicatesjs list of repeated valuesarray with duplicate values javascriptfind duplicate items in arraychecking repeating of numbers in arrayjavasctipt check if a item repeats in an arrayfind duplicate values in javascript arraycheck duplicate array values jsduplicate string in javascriptcompare the arrays return same items jshow do i count duplicates in an array jsrepeating no count in javascriptset duplicate values in javascript arrayfind value count duplicate in arrayall repeated same array number display javascriptjavascript get clone of arrayhow to check duplicant values in array using javascriptcount duplicate word in jsarray duplicate in javascriptduplicate value array javascriptcount repetitive items of an arrayhow does duplicate js workjavascript check if there are duplicates in araycount number of identic objects in arrayif array includes duplicates javascriptfind duplicates array javascripthow to check if there are duplicates in an array javascriptduplicate number in an arrayjavascript find duplicate items in an arrayhow to check duplicate number in arrayjs finding duplicateslist duplicate numbers in array javascriptchek if number is repeated in array jsjs how to find duplicatesarray duplicate valuejs duplicates in arrayjavascript check array for duplicatescheck if array has duplicates valuejavascript create array tha doesnt accept duplicatesjjavascript duplicate an arraycheck duplicate in array javascriptchecking for duplicate in two strings in javascript arrayduplicates from arraysjavascript duplicatehow to check how many same elements are in the arrayhow to know duplicates present in array jshow to find repeated number in array javascriptarray contains duplicates javascript geeksforgeekscount duplicate elements in array jsfind duplicate item in array javascriptduplicate an array javascripthow to check if a number is duplicated in an array in jsjavascript check duplicate values in arrayhow i get duplicate value from arraycount the number of duplicate numbers in a given array javascriptfind a number that repeated itself javascriptfind duplicates array javascript some methodjavascript find duplicate values in arrayjavascript knowing if array has duplicateshow to find duplicate values indexes in jsfunction that returns the number of the most repeated array jssee no duplicate array javascriptduplicate an arraycount same value in array jsclone arrays jsjavascrip array find duplicatesjavascript fastest way to copy an arraymake copy of array in javascriptcount number of duplicates in string jsfind duplicates in array javascript es6get the most repeated number in array jsfind repeated values in array javascripthow to check if an array of arrays has unique valuestypescript find duplicate values in an arraycheck if array has duplicate valuesfind repeated numbers in an array javascripthow to find if a element is repeated in a list of arrays in javascript javascript check duplicate in string arrayjavascript function find duplicate valuesduplicate an element javascriptjavascript check if duplicate number in arraycheck how many is duplicate javascriptjs check if array contains duplicatesjavascript method to find reocurring value in arrayhow to find if array contains duplicates in javascripthow i get duplicate value from array in jsget repeated quantity elements in array javascriptjavascript check array has duplicateshow to duplicate array in javascriptget duplicates in array javascriptfunction to copy an array in javascriptjs array repeated valuerepeated elements by array count in jsduplicate number in arraycheck for duplicates in string array javascriptjs duplicate an elementhow to find if number repeats in aray jsfind all repeated numbers from an array javascripthow to duplicate item in array javascripthow to duplicate an element in javascriptduplicating an existing arrayfind the repeat number or word in array in javascriptfinding duplicates in array in jsvanilla js find array value duplicatejavascript array contains duplicatessort array for duplicates javascriptget all duplicates from array ksfind same values how many times in array javascriptduplicate elements in arrayduplicate array number display javascript with parametersfind the duplicated items in array javascripthow to count same element in array javascripthow to get the count of similar values in js array duplicate number on a given integer array jsjs count repeats in an arratjavascript count same values in arrayarray extract identical values javascriptjavascript copy array for loophow to find if an array jas duplicate value in javascriptjavascript for loop check for duplicates in arrayclone an array javascriptarray push check for duplicates jsfind all repeated values in array javascripthow to get a certain number of duplicate from array in javascripthow to make a new array in javascript to assign it a value of old array 3fjs array how many duplicatesclone array in javascriptcheck if value is unique in array javascriptcehc if dublicarte in array javasciptreduce to count dublicates in arrayfind similar values in array and group them javascriptduplicate list elements javascripthow to check for duplicate elements in array jshow to find the duplicate value in array duplicate regex javascriptjs count matching values in arrayhow to find number of duplicate elements in an arrayjavascript compare two arrays for duplicateshow to count element in an array that repeat array javascriptarr duplicate jsarray of duplicates jshow to check if a value is repeating in javascriptduplicate jsjavascript check if duplicates in arraycheck if an array contains duplicate valuesif there are duplicates in one string javascripthow to display the count of duplicate string in javascriptjavascript find repeated number in arrayfind duplicates in array node js and get number of duplicatesjavascript how much duplicateshow to find duplicate in javascript arrayhow to find duplicate value in the array jshow to fetch duplicates in array in javascriptjavascript code to find duplicates in an arrayhow to find duplicates the unumber of dupliactes in array jsjavascript set duplicatesif array is duplicate valuesclone array new setget duplicate values from array javascriptjavascript find duplciate number arryajs duplicate array of arraysfind duplicates in an array jsduplicate in a list of string jscount duplicate array jsduplicate number in array javascriptjavascript count repeats in arrayget duplicate entries from arrayhow to find the highest repeated duplicates in an array javascripthow to create a shallow copy of an array javscritpget values no duplicated javascripthow to scan a array from duplicates javascriptfind the duplicate number from array jsclone array jstrue or false if duplicate values in array javascriptcopy duplicates to new array from array javascripthow to find out duplicate values in arrayarray duplicates javascript from arraycheck if any value is repeated in javascript arrayjavascript check if a numer repeatsget duplicate value in jscheck if array has duplicate values javascriptjs how to count all same element in an arrayhow to duplicate a arraymy array javascript is printing out duplicateshow to count a same element of an array in javascriptarray clonehow to make a copy of an array in javascriptangular check repeated value lengthjs check array for duplicates predefinbedjavascript program to find duplicate values in a javascript arrayduplicates javascriptjavascript find duplicates in array of numbersrepeated integer values in javascriptjavascript non duplicate arrayhow to find duplicates inside an array node jscheck duplicates in javascript arrayjavascript de duplicate arraycount same items in an array javascriptfind duplicate elements in an array javascripttotal of repeative in array jsmake clone arrayhow to scan an array from duplicates javascriptjavascript count how many duplicates values in stringjavascript find duplicates from arrayget dublicate data from arrays jsjavascript check for duplicate entries booleancheck array for duplicate values javascripthow to check how many times a string is repeated in an array in javascripthow to chek for repeated numbers array javascripthow to check for duplicate strings in javascriptjs set duplicate arrayduplicate values in javascriptcount similar values in array in javascriptfind duplicated values jsfind number of duplicates in array javascriptjs get duplicatesverification of duplicate records with javascripthow to check if every value is unique javascriptjavascript detect repetead array elementcheck iof array items repeatare there duplicates javascript algorithmcounting the repeated integers jsjs count repetition words in arrayjavascript reduce duplicates in arraycheck for duplicated values in javascript arraycount character repeated in array jsjavascript array clonejavascript find duplicate array entriesjs find duplicates numbers in arrayhow to find duplicates in array javascriptget duplicates from array javascriptto identufy duplicate item in array in jsjavascript array find duplicateshow to find duplicates of array in jsnot repeat string in array in javascript functionhow to find number of duplicate value in arrayfind duplicates in an array and store next array value javascriptcheck if an array has duplicate valuesduplicates number arrayfind an element in array is repeating in jsjavascript array copy clone check if array has repeated values javascriptjavascript find same value in arraycount element dup in array javascriptfind one duplicate javascriptjs find array duplicatesduplicate node javascriptes6 array duplicate finderjs check if duplicate values in an arraycontains duplicate in arrayhow to find duplicate string in javascriptmethod for find duplicate in js javascript check array no duplicatesjs check if duplicate foundjs array find duplicate stringscheck duplicate with some jscheck for dublicates in array javascipthow to return only one item when there are duplicates in javascriptcheck if an array has only values of another array even if duplicates javascripthow to find dublicate array in array list jshow to check if duplicate or not javascriptfind array duplicate in an array typescriptarray find duplicateshow to check duplicated number in an array in jshow to create array duplicate value from arraytypescript find duplicates in an array everyjavascript get count of duplicate elementshow to check for duplicates in arraysoft copy of array javascripthow to find duplicate in array with id in javascriptjs how to create duplicatie arrayhow to find highest duplicates in array javascripthow to find duplicate array in javascriptjavascript function that checks for duplicatescheck for dublcate in array javascriptjavascript find duplicates in array without build in funclone javascript arrayjs copy array to another arrayjs array element dont duplicateduplicate data find js arraysearch duplicate values in array jsjs copy element from 1 array to anotherfinding duplicates in an array javascripthow to find duplicates in array javascriptidentify if there are duplicates in array javascriptcounting duplicated items in arrrays jsduplicate array jsif array has duplicates jsarray check is duplicate valuesfind duplicatenumbers in javascriptreturn array with repeated stringmake an object of all the repeated names in an array java scripthow to see if all array elements are unique jsfind duplicate in array of javascriptes6 find duplicate item in arrayhow to extract duplicates array from a array in javascriptcheck duplicates array javascriptjs return if duplicate found in an arraymake duplicate array jshow to find if an array has duplicate elementshow to not adding duplicate values in array in javascripthow to check repeated values in arrayduplicate elements in array in for loopcount of duplicate elements in an array in plain javascrptjavascript only show duplicateshow to find duplicate element in array in javascriptget indices of duplicate elements in jsjavascript duplicate values in arrayduplicated item array jscount duplicate in array javascriptcount duplicates from arrayduplicate a string javascriptget all duplicates in an array jsdisplay duplicates in array javascript displaycheck duplicate data in same array javascriptduplicate count in javascripthow to check array for duplicates javascript no functionsfind duplicates in list jsjavacript find duplicates of a element in an arrayjavascript function to duplicate an arrayfind a duplicate number in an arrayjs how to check for repeated strings in an array 5ccheck for duplicates in a string javascriptduplicates array jshow to check duplicate element in array in javascripthow to find a count of duplicated values of each item is repeated in an array in typescriptjavascript repeated elements in arraycheck array has duplicatesduplicate array javascriptfind duplicate value arrayfind duplicate in array javascriptfind dupes in array jsjavascript duplicate an arrayhow to find duplicate values in string in javascriptfind dupe in array javascriptarray methods for duplicate entries in javascriptcount duplicate elements in array javascriptjs duplicate identifierfind if array has duplicatesfind duplicate elements in array javascript using loophow to make a copy of array in javascriptjs array duplicatefind duplicate string in javascriptcheck repeated values in array javascripthow to count duplicate values in an array in javascripthow to find the duplicate elemnts of an array using javscriptshow to check if an array has duplicate values in javascriptbesto option to clone an arraypush to array if not duplicate javascriptduplicates count in array jhscheck for duplicate names in array javascripthow to find a duplicate number in an arrayjs array samefinding duplicates in array javascriptcount of duplicate elements in an array javascrptfind equal elements in array javascriptfind duplicate in javascript arrayjs clone array of node elementsduplicates in string arrayreduce array to remove and count duplicatesjavascript copy an arrayjavascript validation for duplicate entrykeep array of duplicate elements javascriptjs check for duplicate in arrayjavascript array duplicate checkhow to count the duplicate letter with javascript foreachhow to solve duplicate name adding function javascriptduplicates in jsfind duplicate word in jshow to find duplicates in array jshow to shallow copy list in jsjavascript search string array for duplicatesreturning duplicate array in sequence javascriptjavascript create array with repeated valuescheck if a key value is repeated in an object javascriptmake 2d array copy in javascriptjs count value repeated in arrayarray duplicate all elements jsduplicates counter arraysee if number in array is duplicate javascriptjavascript array with duplicate valuesreturn an array of duplicated values in that array how to find duplicates from array in java scriptfind the duplicate element in an array javascriptcheck if an array has repeated elementssplice modifies cloned arrayduplicate element in an array javascriptjavascript find duplicate elements in an arraycompare two arrays and get duplicates in javascriptjavascript find duplicate numbers in arrayjs check if duplicate in arrayhow to check duplicate string in array javascriptjs list check for duplicatesfind out the duplicate values in javascript arrayjavascript find simila number in arrayjs check for duplicates in 3 arrayscount how many repeated element in array javascriptshowing duplicate elements from array in javascriptduplicate array in jsclone array in jsarray clone javasccount of duplicates in javascriptarray find duplicate array jsduplicate strings js arrayfind total duplicate elements in array javascriptfind the number of times a number is repeated in an array jsfor loop to check for duplicates in array javascriptnumber of duplicates jscheck if all values in array are unique javascriptfind duplicated string jsjavascript duplicate vararray clone 28 29check if an array has repeated elements jsfind duplicates in array jshow to find duplicate values in array using javascriptduplicate from arrayjavascript array find duplicate itensjavascript array check if values uniquehow do you duplicate an array jshow to find duplicate elements in an array in javascriptjavascript count duplicate numbers in arraynew array of duplicates jsreturn duplicates in array javascriptjs clone an arrayduplicates in javascript arraywrite a javascript function to clone an arrayarray with duplicate valueshow to find duplicate numbers in an array if it contains multiple duplicates javascriptreturning a non duplicated item from array jscheck javascript array for duplicatescheck duplicate array jscount duplicates values in javascript arraycount number of the same element in array jshow to determine whether an array contains any duplicate number in javascripthow to know whether element is duplicate or not in javascriptfind dups constant javascriptget duplicate from string list in javascriptget repeated values from array in jsjs check array dublicates valueshow to check for duplicates node jscheck duplicates jscheck for duplicates in array javascript