removeItemAt
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removeItemAt( index )
- ๆปใๅคใฎๅ: ่ฆ็ด
- ่ฆ็ด ๅ
ใฎๆๅฎใใ index ใฎๅญ้
็ฎใๅ้คใใพใใใใฎใกใฝใใใฏๅ้คใใ้
็ฎใ่ฟใใพใใ
<script type="text/javascript">
function removeSelectedItem() {
var myListBox = document.getElementById('myListBox');
if(myListBox.selectedIndex == -1){
return;
} else {
myListBox.removeItemAt(myListBox.selectedIndex);
}
}
</script>
<button label="Remove selected item" oncommand="removeSelectedItem()" />
<listbox id="myListBox">
<listitem label="Alpha" />
<listitem label="Beta" />
<listitem label="Oscar" />
<listitem label="Foxtrot" />
</listbox>