The URL of the image shown next to the menu item.
- Safari Desktop 5.1+
- Safari Extensions JS
This attribute can be changed to the URL of an image in the extension bundle. Images larger than 16 x 16 pixels are scaled down to fit. Supported URL schemes are
On Windows, if the menu item is checked, the icon is not displayed.
To support HiDPI, provide an image of the appropriate resolution at the same location, with the suffix @2x after its name. For example
some/path/image-name provide the same image at high resolution and standard resolution, respectively.