What does `String.prototype.padStart(5, ‘0’)` do to ’42’?

Question

JavaScript Developer — Easy

What does `String.prototype.padStart(5, ‘0’)` do to ’42’?

Accepted Answer

The `padStart` method adds zeros to the beginning of a string to reach the specified length. In this case, `String.prototype.padStart(5, '0')` will add three zeros to '42', resulting in '00042'.