JSFiddle - React, Tailwind, and code Playground

by criptkiller

JavaScript

String.prototype.reverse = function() {
    var str = this,
        newString = new String();
    for (n = str.length; n >= 0; n--) {
        newString += str.charAt(n);
    }
    return newString;
}
    var olaVar = "ola", newOlaVar = olaVar.reverse();
alert(newOlaVar);