Answers for "add zero to left javascript"

add leading zeros to number javascript

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

add zero in front of numbers javascript

function checkTime(i) {
    if (i<10) {i = "0" + i};  // add zero in front of numbers < 10
    return i;
}