22 lines
569 B
JavaScript
22 lines
569 B
JavaScript
if (!Function.prototype.bind) {
|
|
Function.prototype.bind = function (oThis) {
|
|
if (typeof this !== "function") {
|
|
throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable");
|
|
}
|
|
|
|
var aArgs = Array.prototype.slice.call(arguments, 1),
|
|
fToBind = this,
|
|
fNOP = function () {},
|
|
fBound = function () {
|
|
return fToBind.apply(this instanceof fNOP && oThis ?
|
|
this : oThis,
|
|
aArgs.concat(Array.prototype.slice.call(arguments)));
|
|
};
|
|
|
|
fNOP.prototype = this.prototype;
|
|
fBound.prototype = new fNOP();
|
|
|
|
return fBound;
|
|
};
|
|
}
|