option不支持双击事件
<HEAD>
<SCRIPT>
function addItem()
{
sNewItem = new Option(txtEnter.value)
selList.add(sNewItem);
}
</SCRIPT>
</HEAD>
<BODY>
<P>Enter text and then double-click in the text box to
add text to the list box.
<INPUT TYPE=text NAME=txtEnter VALUE="Enter_text"
ondblclick="addItem()">
<SELECT NAME=selList SIZE=5></SELECT>
</BODY>
<HEAD>
<SCRIPT>
function addItem()
{
sNewItem = new Option(txtEnter.value)
selList.add(sNewItem);
}
</SCRIPT>
</HEAD>
<BODY>
<P>Enter text and then double-click in the text box to
add text to the list box.
<INPUT TYPE=text NAME=txtEnter VALUE="Enter_text"
ondblclick="addItem()">
<SELECT NAME=selList SIZE=5></SELECT>
</BODY>
<SCRIPT>
function addItem()
{
sNewItem = new Option(txtEnter.value)
selList.add(sNewItem);
}
</SCRIPT>
</HEAD>
<BODY>
<P>输入都双击:
<INPUT TYPE=text NAME=txtEnter VALUE="测试的例子">
<br>
<SELECT NAME=selList SIZE=5 ondblclick="addItem()"></SELECT>
</BODY>
我试了，不行呀！