spicyco
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spicyco
循环结束后 ``` data[0] = function(){console.log(i)} data[1] = function(){console.log(i)} data[2] = function(){console.log(i)} ``` 执行```data[0]()```，```data[1]()```，```data[2]()```时，```i=3```,所以都打印```3``` 这个例子看完N遍后终于知道原理了