how to truncate string in javascript

Solutions on MaxInterview for how to truncate string in javascript by the best coders in the world

showing results for - "how to truncate string in javascript"
Yassine
15 Jan 2019
1var string = "ABCDEFG";
2var truncString = string.substring(0, 3); //Only keep the first 3 characters
3console.log(truncString); //output: "ABC"
Hannes
08 Sep 2020
1const truncate = (str, max, suffix) => str.length < max ? str : `${str.substr(0, str.substr(0, max - suffix.length).lastIndexOf(' '))}${suffix}`;
2
3// Example
4truncate('This is a long message', 20, '...'); 
Dario
26 Jul 2018
1function truncateString(str, num) {
2  if (str.length > num) {
3    return str.slice(0, num) + "...";
4  } else {
5    return str;
6  }
7}
8
Samantha
06 Apr 2016
1function truncateString(str, num) {
2  if (num > str.length){
3    return str;
4  } else{
5    str = str.substring(0,num);
6    return str+"...";
7  }
8
9}
10
11res = truncateString("A-tisket a-tasket A green and yellow basket", 11);
12alert(res)
Oliver
30 Jan 2021
1var length = 3;
2var myString = "ABCDEFG";
3var myTruncatedString = myString.substring(0,length);
4// The value of myTruncatedString is "ABC"
5
Brevyn
10 Apr 2018
1_.truncate('hi-diddly-ho there, neighborino');
2// => 'hi-diddly-ho there, neighbo...' 
3
4_.truncate('hi-diddly-ho there, neighborino', {  'length'24,  'separator'' '});
5// => 'hi-diddly-ho there,...' 
6
7_.truncate('hi-diddly-ho there, neighborino', {  'length'24,  'separator'/,? +/});
8// => 'hi-diddly-ho there...' 
9
10_.truncate('hi-diddly-ho there, neighborino', {  'omission'' [...]'});
11// => 'hi-diddly-ho there, neig [...]'
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