Created
October 4, 2013 07:09
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jQuery konamify plugin... why not, it's friday.
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| <!doctype html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Document</title> | |
| <script type="text/javascript" src="//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script> | |
| </head> | |
| <body> | |
| <p> | |
| U, U, D, D, L, R, L, R, B, A | |
| </p> | |
| <script> | |
| ;(function( $ ) { | |
| $.konamify = function( callback ) { | |
| $(function () { | |
| var keyPressBuffer = []; | |
| $(document).keydown(function (event) { | |
| var key = (!event.keyCode || event.keyCode == 0) ? event.charCode : event.keyCode; | |
| if (key >= 65 && key <= 90) key += 32; | |
| keyPressBuffer.push(key); | |
| var isPattern = false; | |
| var pattern = [38, 38, 40, 40, 37, 39, 37, 39, 98, 97]; | |
| if (keyPressBuffer.length >= pattern.length) { | |
| var count = 0; | |
| isPattern = true; | |
| for (var i = keyPressBuffer.length - pattern.length; i < keyPressBuffer.length; i++) { | |
| if (keyPressBuffer[i] != pattern[count]) { | |
| isPattern = false; | |
| break; | |
| } | |
| count += 1; | |
| } | |
| } | |
| if (isPattern) { | |
| callback(); | |
| } | |
| }); | |
| }); | |
| }; | |
| }(jQuery)); | |
| </script> | |
| <script> | |
| $.konamify(function(){ | |
| $(document.body).append('<span>konami! </span>'); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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