Skip to content

Instantly share code, notes, and snippets.

@OmShiv OmShiv/dzutils.js
Created Apr 6, 2013

Embed
What would you like to do?
Best function bind
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]);
}
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.