javascript leftpad code example
Example 1: lpad javascript
str.padStart(targetLength [, padString])
Example 2: 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;