es6数组排序去重

const array = [1,1,20,2,3,3,4,53,34] const array1 = […new Set(array)] console.log(array1.sort((a, b)=>{ return a - b; }))web new Set 去重svg arr.sort //排序xml 具体使用可参考手册：http://www.w3school.com.cn/js/jsre

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