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数组去重 #14

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lensh opened this issue Aug 10, 2017 · 0 comments

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lensh commented Aug 10, 2017

ES6实现：
[...new Set([1,2,3,1,'a',1,'a'])]

ES5实现：

[1,2,3,1,'a',1,'a'].filter(function(ele,index,array){
    return index===array.indexOf(ele)
})

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