forked from fanruan/fineui
windy
6 years ago
10 changed files with 4 additions and 209 deletions
@ -1,29 +0,0 @@
|
||||
if (!Function.prototype.bind) { |
||||
Function.prototype.bind = function(oThis) { |
||||
if (typeof this !== 'function') { |
||||
// closest thing possible to the ECMAScript 5
|
||||
// internal IsCallable 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 |
||||
? this |
||||
: oThis, |
||||
// 获取调用时(fBound)的传参.bind 返回的函数入参往往是这么传递的
|
||||
aArgs.concat(Array.prototype.slice.call(arguments))); |
||||
}; |
||||
|
||||
// 维护原型关系
|
||||
if (this.prototype) { |
||||
// Function.prototype doesn't have a prototype property
|
||||
fNOP.prototype = this.prototype; |
||||
} |
||||
fBound.prototype = new fNOP(); |
||||
|
||||
return fBound; |
||||
}; |
||||
} |
||||
Loading…
Reference in new issue