Created
April 6, 2013 18:26
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Best function bind
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if (!Function.prototype.bind) { | |
Function.prototype.bind = function (oThis) { | |
// closest thing possible to the ECMAScript 5 internal IsCallable | |
// function | |
if (typeof this !== "function") | |
throw new TypeError( | |
"Function.prototype.bind - what is trying to be fBound is not callable" | |
); | |
var aArgs = Array.prototype.slice.call(arguments, 1), | |
fToBind = this, | |
fNOP = function () {}, | |
fBound = function () { | |
return fToBind.apply( this instanceof fNOP ? this : oThis || window, | |
aArgs.concat(Array.prototype.slice.call(arguments))); | |
}; | |
fNOP.prototype = this.prototype; | |
fBound.prototype = new fNOP(); | |
return fBound; | |
}; | |
} | |
var $ = (HTMLElement.prototype.$ = function(aQuery) { | |
return this.querySelector(aQuery); | |
}).bind(document); | |
var $$ = (HTMLElement.prototype.$$ = function(aQuery) { | |
return this.querySelectorAll(aQuery); | |
}).bind(document); | |
NodeList.prototype.forEach = function(fun) { | |
if (typeof fun !== "function") throw new TypeError(); | |
for (var i = 0; i < this.length; i++) { | |
fun.call(this, this[i]); | |
} | |
} |
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