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Diffstat (limited to 'files/ja/archive/mozilla/xul/method/removeitemat/index.html')
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diff --git a/files/ja/archive/mozilla/xul/method/removeitemat/index.html b/files/ja/archive/mozilla/xul/method/removeitemat/index.html new file mode 100644 index 0000000000..f75d24c21d --- /dev/null +++ b/files/ja/archive/mozilla/xul/method/removeitemat/index.html @@ -0,0 +1,46 @@ +--- +title: removeItemAt +slug: Archive/Mozilla/XUL/Method/removeItemAt +tags: + - XUL Methods + - XUL Reference +translation_of: Archive/Mozilla/XUL/Method/removeItemAt +--- +<div class="noinclude"><span class="breadcrumbs XULRefMeth_breadcrumbs">« <a href="/ja/docs/XUL_Reference" title="/ja/docs/XUL_Reference">XUL リファレンス HOME</a></span></div> + +<dl> + <dt><span id="m-removeItemAt"><code><a href="https://developer.mozilla.org/ja/docs/Mozilla/Tech/XUL/Method/removeItemAt">removeItemAt( index )</a></code></span></dt> + <dd>戻り値の型: <em>要素</em></dd> + <dd>要素内の指定した index の子項目を削除します。このメソッドは削除した項目を返します。</dd> +</dl> + +<div class="noinclude"> + +<pre class="brush:js"><script type="text/javascript"> +function removeSelectedItem() { + var myListBox = document.getElementById('myListBox'); + + if(myListBox.selectedIndex == -1){ + return; // no item selected so 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> +</pre> + + <h2 id="See_also" name="See_also">関連情報</h2> + <ul> +<li><a href="/ja/docs/XUL/Method/removeAllItems"><code>removeAllItems()</code></a> 、 <a href="/ja/docs/XUL/Method/appendItem"><code>appendItem()</code></a> 、 <a href="/ja/docs/XUL/Method/insertItemAt"><code>insertItemAt()</code></a></li> +</ul> + +</div> |