45 lines
1.1 KiB
JavaScript
45 lines
1.1 KiB
JavaScript
// a key map of allowed keys
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var allowedKeys = {
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37: 'left',
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38: 'up',
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39: 'right',
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40: 'down',
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65: 'a',
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66: 'b'
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};
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// the 'official' Konami Code sequence
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var konamiCode = ['up', 'up', 'down', 'down', 'left', 'right', 'left', 'right', 'b', 'a'];
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// a variable to remember the 'position' the user has reached so far.
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var konamiCodePosition = 0;
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// add keydown event listener
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document.addEventListener('keydown', function(e) {
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// get the value of the key code from the key map
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var key = allowedKeys[e.keyCode];
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// get the value of the required key from the konami code
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var requiredKey = konamiCode[konamiCodePosition];
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// compare the key with the required key
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if (key == requiredKey) {
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// move to the next key in the konami code sequence
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konamiCodePosition++;
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// if the last key is reached, activate cheats
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if (konamiCodePosition == konamiCode.length) {
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showSecrets();
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konamiCodePosition = 0;
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}
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} else {
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konamiCodePosition = 0;
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}
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});
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function showSecrets() {
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console.log("Hi")
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var element = document.getElementById("konami")
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console.log(element)
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element.style = "display:block"
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} |