Created
May 19, 2016 22:07
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<!DOCTYPE html> | |
<html lang="es"> | |
<head> | |
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> | |
<title>cuenta teclas</title> | |
<script language="javascript" type="text/javascript" src="script.js"></script> | |
</head> | |
<body> | |
<ul id="key_count"> | |
</ul> | |
</body> | |
</html> |
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var Keyboardpush = function(){ | |
this.keyCountBlck = document.getElementById('key_count'); | |
window.addEventListener('keypress', this.pushed.bind(this), false); | |
}; | |
Keyboardpush.prototype = { | |
keys: {}, | |
total: 0, | |
pushed: function(e){ | |
var charKey = String.fromCharCode(e.charCode); | |
if (!this.keys.hasOwnProperty(charKey)) { | |
this.keys[charKey] = 1; | |
} else { | |
this.keys[charKey]++; | |
} | |
this.total++; | |
this.render(); | |
}, | |
percent: function(value){ | |
return (value * 100) / this.total; | |
}, | |
render: function(){ | |
var list_item, key; | |
this.keyCountBlck.innerHTML = ''; | |
for(key in this.keys) { | |
if (this.keys.hasOwnProperty(key)) { | |
list_item = document.createElement('li'); | |
this.keyCountBlck.appendChild(list_item); | |
list_item.innerText = key + ' ' + this.percent(this.keys[key]).toFixed(2) + '%'; | |
} | |
} | |
} | |
}; | |
window.addEventListener('load', function(){ var keypush = new Keyboardpush(); }, false); |
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