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(parseInt("123", 10))
alert(parseInt("010", 10))
alert(parseInt("010"))
alert(parseInt("11", 2))
alert(parseInt("hello", 10))
alert(NaN + 5)
alert(isNaN(NaN))
alert(1 / 0)