用JavaScript寫一個互動式下拉選單 @ 雜七雜八的小筆記!

用JavaScript寫出動態感覺的下拉式選單!

<html>
<script language=javascript>
changelist();
function changelist()
{
      switch(document.data.test.value)
      {
            case "1":
            document.all.namelist.innerHTML="<select name=actname><option value=1>u1A<option value=2>u1B</select>"
            break;
            case "2":
            document.all.namelist.innerHTML="<select name=actname><option value=1>u1A<option value=2>u1B<option value=3> u1C</select>"
            break;
      }
}
</script>

<form name=data>
<select name=test onChange=Javascript:changelist();>
<option value=0 selected>check
<option value=1>mis
<option value=2>csie
</select>

<div id=namelist></div>

</form>
</html>