- //1: 依据 id
- //var element = document.getElementById("test");
- console.log(element);
- //2: 依据 class
- var elements = document.getElementsByClassName("clazz");
- for(var index in elements){
- //console.log(elements[index]);
- }
- //3: 依据 name
- var elements = document.getElementsByName("hobby");
- for(var index in elements){
- console.log(elements[index]);
- }
- //4: 依据标签名字
- var elements = document.getElementsByTagName("input");
- for(var index in elements){
- console.log(elements[index]);
- }
script 在上面定义的方法
- <script>
- function test(){
- var elements = document.getElementsByTagName("input");
- for(var index in elements){
- console.log(elements[index]);
- }
- }
- </script>
- </head>
- <body onload="test()">
- <input name="hobby" type="checkbox" value="0" />0
- <input name="hobby" type="checkbox" value="1" />1
- <input name="hobby" type="checkbox" value="2" />2
- <input name="hobby" type="checkbox" value="3" />3
- </body>
来源: http://www.bubuko.com/infodetail-2736026.html