menus.ItemType
The type of menu item.
Type
Values of this type are strings. Possible values are:
- normal
- A menu item that just displays a label.
- checkbox
-  A menu item that represents a binary state. It displays a checkmark next to the label. Clicking the item toggles the checkmark. The menus.onClickedlistener will be passed two extra properties: "checked", indicating whether the item is checked now, and "wasChecked", indicating whether the item was checked before the click event.
- radio
-  A menu item that represents one of a group of choices. Just like a checkbox, this also displays a checkmark next to the label, and its menus.onClickedlistener is passed "checked" and "wasChecked". However, if you create more than one radio item, then the items function as a group of radio items: only one item in the group can be checked, and clicking an item makes it the checked item.
- separator
- A line separating a group of items.
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
| ItemType | Yes | 14 | 55 48 | ? | Yes | 14 | ? | ? | No | ? | ? | ? | 
Note: This API is based on Chromium's chrome.contextMenus API. This documentation is derived from context_menus.json in the Chromium code.
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    https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/menus/ItemType