js 数组去重set 

let a = [1,1,2,3,3,2,3,4,5,6,7,3,2,3,4,5,3,2,2]
let b = [...new Set(a)]

 

posted @ 2022-03-22 16:07  zy-lzh  阅读(265)  评论(0)    收藏  举报