showing results for - "length of object in javascript"
Michelle
02 Jun 2016
1var size = Object.keys(myObj).length;
Neele
18 May 2018
1var person={
2    "first_name":"Harry",
3    "last_name":"Potter",
4    "age":14
5};
6var personSize = Object.keys(person).length; //gets number of properties (3) 
Lotta
06 Apr 2017
1Object.keys(myArray).length
2
Liya
14 Sep 2018
1//length of this object is 4
2let object = {
3  'A':{
4    '10':['a','b','c']
5  }, 
6  'B':{
7    '20':['a','b','c']
8  }, 
9  'C':{
10    '30':['a','b','c']
11  }, 
12  'D':{
13    '40':['a','b','c']
14  },   
15}
16
17//Get the keys of the object (A,B,C,D) and print how many there are
18Object.keys().length
19> prints: 4
20
Isabella
04 Oct 2018
1Object.size = function(obj) {
2  var size = 0,
3    key;
4  for (key in obj) {
5    if (obj.hasOwnProperty(key)) size++;
6  }
7  return size;
8};
9
10// Get the size of an object
11const myObj = {}
12var size = Object.size(myObj);
Alicia
11 Sep 2019
1{{ listlike_var|length }}
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