题解 | #数组去重#
数组去重
http://www.nowcoder.com/practice/0b5ae9c4a8c546f79e2547c0179bfdc2
Array.prototype.uniq = function () {
let arr=this
//循环数组插入Set
let set=new Set()
arr.forEach(item=>{
set.add(item)
})
return Array.from(set)
}数组去重
http://www.nowcoder.com/practice/0b5ae9c4a8c546f79e2547c0179bfdc2
Array.prototype.uniq = function () {
let arr=this
//循环数组插入Set
let set=new Set()
arr.forEach(item=>{
set.add(item)
})
return Array.from(set)
}相关推荐