Answers for "add zeros to a number in js"

add leading zeros to number javascript

const number = 5;
console.log(number.toString().padStart(2, '0')); // expected output: "05"

js append zeros

var str = "5";
alert(str.lpad("0", 4)); //result "0005"
var str = "10"; // note this is string type
alert(str.lpad("0", 4)); //result "0010"