function quchong(params){
const set=new Set(params);
var arr=[...set];
return arr
}
var a=[1,2,2,3,3,5];
console.log(quchong(a))
```
function quchong(params){
const set=new Set(params);
var arr=[...set];
return arr
}
var a=[1,2,2,3,3,5];
console.log(quchong(a))
```本文标题：数组去重 面试必备哟
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