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HTML onshow 事件属性

❮ HTML 事件属性

示例

当 <menu> 元素作为上下文菜单显示时,执行 JavaScript。

<div contextmenu="mymenu">
  <p>在该框内右键单击以查看上下文菜单!
  <menu type="context" id="mymenu" onshow="myFunction()">
    <menuitem label="刷新" onclick="window.location.reload();"></menuitem>
  </menu>
</div>
自己尝试 »

定义和用法

当 <menu> 元素作为上下文菜单显示时,onshow 属性会触发。


浏览器支持

表中的数字指定完全支持事件属性的第一个浏览器版本。

事件属性
onshow 不支持 不支持 8.0 不支持 不支持

语法

<element onshow="script">

属性值

描述
script 在 onshow 上运行的脚本

技术细节

支持的 HTML 标签 <menu>

相关页面

HTML DOM 参考:onshow 事件


❮ HTML 事件属性
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