<select id="s" size=1>
</select>
<script language="javascript" >
<!--
var option=new Option("abc","2312");
document.all.s.options[0]=option;
var option2=new Option("def","m");
document.all.s.options[1]=option2;
var option3=new Option("kkk","bbc",false,true);
document.all.s.options[2]=option3;
//-->
</script>
为什么选定的老是def ,而不是kkk啊,我只想选定kkk的,请问怎么修改呢,很急
</select>
<script language="javascript" >
<!--
var option=new Option("abc","2312");
document.all.s.options[0]=option;
var option2=new Option("def","m");
document.all.s.options[1]=option2;
var option3=new Option("kkk","bbc",false,true);
document.all.s.options[2]=option3;
//-->
</script>
为什么选定的老是def ,而不是kkk啊,我只想选定kkk的,请问怎么修改呢,很急
</select>
<script language="javascript" >
<!--
var option=new Option("abc","2312");
document.all.s.options[0]=option;
var option2=new Option("def","m");
document.all.s.options[1]=option2;
var option3=new Option("kkk","bbc",false,true);
document.all.s.options[2]=option3;
document.all.s.options[2].selected = true;
//-->
</script>