- <html>
- <head>
- <script>
- window.onload = function(){
- var opts = document.getElementById("select");
- var value = 2//这个值就是你获取的值;
- if(value!=""){
- for(var i=0;i<opts.options.length;i++){
- if(value==opts.options[i].value){
- opts.options[i].selected = 'selected';
- alert(opts.options[i].value);
- break;
- }
- }
- }
- }
- </script>
- </head>
- <body>
- <select id="select">
- <option value="1">1231231</option>
- <option value="2">12312312</option>
- <option value="3">123123123</option>
- </select>
- </body>
- </html>