add leading zeros to number javascript
const number = 5;
console.log(number.toString().padStart(2, '0')); // expected output: "05"add leading zeros to number javascript
const number = 5;
console.log(number.toString().padStart(2, '0')); // expected output: "05"javascript print int with leading zeros
function padLeadingZeros(num, size) {
var s = num+"";
while (s.length < size) s = "0" + s;
return s;
}
padLeadingZeros(57, 3);// "057"
padLeadingZeros(57, 4); //"0057"js num to string with leading 0
String(<number>).padStart(<places>, '0')
String(42).padStart(5, '0'); // '00042'javascript padstart
export function padStart(number, digits = 2, emptyDigit = 0) {
let length = 0;
let n = Math.abs(number);
let absoluteNumber = n;
do {
n /= 10;
length++;
} while (n >= 1);
const prefix = Array(Math.max((digits - length) + 1, 0)).join(emptyDigit);
return number < 0 ? `-${prefix}${absoluteNumber}` : prefix + number;
}
export default padStart;Copyright © 2021 Codeinu
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