1 <!DOCTYPE html>
2 <html lang="en">
3 <head>
4 <meta charset="UTF-8">
5 <title>javascript数组去重算法-----2</title>
6 </head>
7 <body>
8 <script>
9 var arr = [1,1,2,2,3,2,2,3,3,1,1,4,4,5,6];
10 function unique(array){
11 var n = [array[0]];
12 for (var i = 1; i < array.length; i++) {
13 if (array.indexOf(array[i])==i) {
14 n.push(array[i])
15 }
16 }
17 return n
18 }
19 var cc =unique(arr);
20 console.log(cc)
21 //利用indexOf()与第一种的区别
22 </script>
23 </body>
24 </html>
时间： 2024-08-01 16:34:16