用js进行数组去重

数组去重代码

 1 <!DOCTYPE html>
 2 <html lang="en">
 3 <head>
 4     <meta charset="UTF-8">
 5     <meta http-equiv="X-UA-Compatible" content="IE=edge">
 6     <meta name="viewport" content="width=device-width, initial-scale=1.0">
 7     <title>Document</title>
 8 </head>
 9 <body>
10     let arr= [12,21,12,15,12,21,31,54]
11         function con(arr){
12         for(let i=0;i<arr.length;i++){
13             for(let j=i+1;j<arr.length;j++){
14                 if(arr[i]==arr[j]){
15                     arr.splice(j,1)
16                     j--;
17                 }
18             }
19         }
20         return arr
21     }
22     console.log(con(arr)); 
23 </body>
24 </html>

 

posted @ 2023-03-15 20:24  倾心一刻  阅读(20)  评论(0)    收藏  举报