JSFiddle - React, Tailwind, and code Playground

by deepak sisodiya

JavaScript

/* Hoisting is JavaScript's default behavior of moving declarations to the top. */

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

var x;
x = 5;
alert(x)

y = 10;
alert(y)
var y;