rookieLink

@johanwasserman Yes, this is what I want to say. We need a good document to help us understand and use, instead of spending a lot of time to scan source

> > 尤其是es6 引入了 Spread operator (延展操作符) 后，即使参数是数组，可以使用 call > > ```js > > let params = [1,2,3,4] > > xx.call(obj, ...params) > > ``` > > 然而这玩意要是被`babel`或者`ts`过了一遍变成`es5`全都变成了 `xxx.call.apply(obj,params)` ...