我有選擇列表項。 select的onchange,如果選擇的選項值爲空,我想給父li元素一個「isnotselected」類,否則如果選擇的選項的值不是空的,我想給父元素li一個「isselected」類。我怎樣才能通過jQuery做到這一點?更改選擇的父項李元素類
<ul>
<li>
<select>
<option value="">Select Value</option>
<option value="1">Value 1</option>
<option value="2">Value 2</option>
</select>
</li>
<li>
<select>
<option value="">Select Value</option>
<option value="1">Value 1</option>
<option value="2">Value 2</option>
</select>
</li>
<li>
<select>
<option value="">Select Value</option>
<option value="1">Value 1</option>
<option value="2">Value 2</option>
</select>
</li>
<li>
<select>
<option value="">Select Value</option>
<option value="1">Value 1</option>
<option value="2">Value 2</option>
</select>
</li>
</ul>
謝謝!,感謝。好的演示! – BugBusterX 2011-01-23 05:59:24