| 发表于:2007-05-09 09:58:321楼 得分:0 |
<select id= "sel "> <option value= "aaa "> aaa <option value= "bbb "> bbb <option value= "ccc "> ccc <option value= "ddd "> ddd </select> <input type= "button " onclick= "test(); " value= "test "> <script> function test(){ var s = document.getelementbyid( "sel "); var o = s.options; for(var i=0;i <o.length;i++){ if(o[i].value == "ccc ") o[i].selected = true; } } </script> | | |
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