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The contextmenu global attribute is the id of an <menu> to us as the contextual menu for this element.
A context menu is a menu that appears upon user interaction, such as a right-click. HTML5 now allows us to customize this menu. Here are some implementation examples, including nested menus.
উদাহরণ
The following HTML...
<body contextmenu="share">
<menu type="context" id="share">
<menu label="share">
<menuitem label="Twitter" onclick="window.open('https://twitter.com/intent/tweet?text=Hurray! I am learning ContextMenu from MDN via Mozilla');"></menuitem>
<menuitem label="Facebook" onclick="window.open('https://facebook.com/sharer/sharer.php?u=https://https://developer.mozilla.org/en/HTML/Element/Using_HTML_context_menus');"></menuitem>
</menu>
</menu>
<ol>
<li>Anywhere in the example you can share the page on Twitter and Facebook using the Share menu from your context menu.</li>
<li><pre contextmenu="changeFont" id="fontSizing">On this specific list element, you can change the size of the text by using the "Increase/Decrease font" actions from your context menu</pre></li>
<menu type="context" id="changeFont">
<menuitem label="Increase Font" onclick="incFont()"></menuitem>
<menuitem label="Decrease Font" onclick="decFont()"></menuitem>
</menu>
<li contextmenu="ChangeImage" id="changeImage">On the image below, you can fire the "Change Image" action in your Context Menu.</li><br />
<img src="https://developer.mozilla.org/media/img/promote/promobutton_mdn5.png" contextmenu="ChangeImage" id="promoButton" />
<menu type="context" id="ChangeImage">
<menuitem label="Change Image" onclick="changeImage()"></menuitem>
</menu>
</ol>
</body>
...used with this JavaScript...
function incFont(){
document.getElementById("fontSizing").style.fontSize="larger";
}
function decFont(){
document.getElementById("fontSizing").style.fontSize="smaller";
}
function changeImage(){
var j = Math.ceil((Math.random()*39)+1);
document.images[0].src="https://developer.mozilla.org/media/img/promote/promobutton_mdn" + j + ".png";
}
...will result in:
Specifications
| Specification | Status | Comment |
|---|---|---|
| WHATWG HTML Living Standard The definition of 'contextmenu' in that specification. |
Living Standard | No change from latest snapshot, HTML5.1 |
| HTML5.1 The definition of 'contextmenu' in that specification. |
Working Draft | Snapshot of WHATWG HTML Living Standard, initial definition. |
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|
| Basic support | Not supported | 9 (9) | Not supported | Not supported | Not supported |
| Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support | Not supported | Not supported | 20 (20) | Not supported | Not supported |
See also
- All global attributes.