onshowEvent

事件对象参考手册Event Object

Examples

Execute JavaScript when the <menu> element is displayed in the context menu:

<div contextmenu="mymenu">
  <p>Right-click inside this box to see the context menu!
<p>Right-click the yellow box area to view the context menu!</p>
<menuitem label="Refresh" onclick="window.location.reload();"></menuitem>
  </menu>
</div>

Try it Yourself »


Definition and Usage

The onshow event is triggered when the <menu> element is displayed in the context menu.


Browser Support

The numbers in the table specify the first browser version that fully supports the event.

Event
onshow Not supported Not supported 8.0 Not supported Not supported


Syntax

In HTML:

<element onshow="myScript">Try it Yourself

In JavaScript:

object.onshow=function(){myScript};Try it Yourself

In JavaScript, using the addEventListener() method:

object.addEventListener("show", myScript);Try it Yourself

Note:Internet Explorer 8 and earlier IE versions do not support theaddEventListener()method.


Technical Details
Does it bubble: No
Is it cancelable: No
Event type: Event
Supported HTML tags: <menu>


Related Pages

HTML Reference:HTML contextmenu Attribute

HTML Reference:HTML <menu> Tag


事件对象参考手册Event Object Other Extensions