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wqh 2020-05-26 13:44:39

简单的数组去重

let a = [0,0,1,0,1,0,0,1,1,1,2,3,4,5,3,2,1];
let b = [... new Set(a)];
console.log(b);  //[0,1,2,3,4,5]

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