How to replace all occurrences of a string in JavaScript?

n679h6.js

// Using RegEx

String.prototype.replaceAll = function(search, replacement) {
    var target = this;
    return target.replace(new RegExp(search, 'g'), replacement);
};

// Split and Join (Functional Implementation)

String.prototype.replaceAll = function(search, replacement) {
    var target = this;
    return target.split(search).join(replacement);
};