1 <!DOCTYPE html>
2 <html lang="en">
3 <head>
4 <meta charset="UTF-8">
5 <title>Document</title>
6 <script type='text/javascript'>
7 window.onload = function(){
8 var inp = document.getElementsByTagName("input")
9 var arr = []
10 for(var i=0;i<inp.length;i++){
11 if(inp[i].type =="checkbox")
12 console.log(inp[i])
13 arr.push(inp[i])
14
15 }
16 //把所有的checkbox 放到arr数组的
17 // for(var i=0;i<arr.length;i++){
18 // console.log(arr[i])
19
20 }
21
22
23
24 </script>
25 </head>
26
27 <body>
28 <input type="checkbox" class="1">
29 <input type="text" class="2">
30 <input type="checkbox" class="3">
31 <input type="text" class="4">
32 <input type="checkbox" class="5">
33 <input type="text" class="6">
34 </body>
35 </html>