Simple Demo 1

by Adi Jaya

HTML

<div id="credit">hello</div>

JavaScript

function myCode( x ){
	if ( x === undefined ) return;
  
  var data = "abcdefghijklmnopqrstuvwxyz0123456789";
  var arr = data.split("");
	/*
	a = 0
	b = 1
	c = 2
	d = 3
	etc...
	*/
  var demo = "";
	for( var i = 0; i < x.length; i++ ){
		demo += arr[x[i]];
	}
  return demo;
}




//test
var selector = document.getElementById( "credit" );
var test =  myCode([7,4,11,11,14]); //hello

if( selector.innerHTML == test ){
	alert( "YES" );
} else {
	alert( "NO" );
}