add leading zeros javascript

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showing results for - "add leading zeros javascript"
Lalie
15 Oct 2019
1function padLeadingZeros(num, size) {
2    var s = num+"";
3    while (s.length < size) s = "0" + s;
4    return s;
5}
6padLeadingZeros(57, 3);// "057"
7padLeadingZeros(57, 4); //"0057"
Erin
22 Jun 2018
1('0' + 11).slice(-2) // '11'
2('0' + 4).slice(-2)  // '04'
Facundo
26 Jun 2019
1const number = 5;
2console.log(number.toString().padStart(2, '0')); // expected output: "05"
Lucas
03 Jun 2018
1const str1 = '5';
2console.log(str1.padStart(2, '0')); // expected output: "05"
Anna
22 Sep 2017
1String(<number>).padStart(<places>, '0')
2
3String(42).padStart(5, '0'); 	// '00042'
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