JSFiddle - React, Tailwind, and code Playground

by deepak sisodiya

JavaScript

var alert  = function (str) {
   var st = document.createTextNode(str);
   var p = document.createElement('p');
   p.appendChild(st);
   document.querySelector('body').appendChild(p);
}

alert("hello".length)
alert("hello".charAt(0))
alert("hello, world".replace("hello", "goodbye"))