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Posted By

Sephr on 02/26/09

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Last Edited at 02/26/09 08:33pm

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konamiCodeListener

/ Published in: JavaScript
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Adds the `konamiCodeListener` function.
Syntax: `void konamiCodeListener(function)`

Every time the Konami Code (up,up,down,down,left,right,left,right,b,a) is entered, the function passed to konamiCodeListener will be called.

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Copy this code and paste it in your HTML 
  1. function konamiCodeListener(func) {
  2.   if ( window.addEventListener ) {
  3.     window.addEventListener("keydown", function(evt){
  4.       konamiCodeListener.keys.push(evt.keyCode);
  5.       if ( konamiCodeListener.keys.toString().indexOf( konamiCodeListener.code.toString() ) >= 0 ) {
  6.         konamiCodeListener.keys = [];
  7.         func();
  8.       }
  9.     }, true);
  10.   }
  11. }
  12.  
  13. konamiCodeListener.keys = [];
  14. konamiCodeListener.code = [38,38,40,40,37,39,37,39,66,65];

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