Select的OnChange()事件

(编辑：jimmy 日期: 2026/4/29 浏览：2)

<select name=sel onchange="bao(this.options[this.options.selectedIndex].value)">  <option value="">请选择  <option value="1">Item 1  <option value="2">Item 2  <option value="3">Item 3  </select>    <textarea id=txt><"runEx('runcode24302')" type="button" value="运行代码" class="fn-butt" /> <INPUT onclick="copy2('runcode24302')" type="button" value="复制代码" class="fn-butt" /> <INPUT onclick="doSave(runcode24302)" type="button" value="保存代码" class="fn-butt" />[Ctrl+A 全选 注:引入外部Js需再刷新一下页面才能执行]</div>
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