Sets the background color for the badge. Tabs without a specific badge background color will inherit the global badge background color, which defaults to [217, 0, 0, 255]
in Firefox.
Syntax
browser.browserAction.setBadgeBackgroundColor( details // object )
Parameters
details
object
.color
- The color, specified as one of:
-
- a string: any CSS <color> value, for example
"red"
,"#FF0000"
, or"rgb(255,0,0)"
. Invalid colors like""
behave asnull
. - a
object.browserAction.ColorArray
null
. If atabId
is specified, it removes the tab-specific badge background color so that the tab inherits the global badge background color. Otherwise it reverts the global badge background color to the default value.
- a string: any CSS <color> value, for example
tabId
Optionalinteger
. Sets the badge background color only for the given tab. If omitted, the global badge background color is set instead.
Browser compatibility
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Chrome | Edge | Firefox | Firefox for Android | Opera | |
---|---|---|---|---|---|
Basic support | Yes | Yes | 45 | No | Yes |
The color property of the details parameter can be set to null . | No | No | 59 | No | No |
The default color in Firefox is: [217, 0, 0, 255]
.
Examples
A background color that starts off as red, and turns green when the browser action is clicked:
browser.browserAction.setBadgeText({text: "1234"}); browser.browserAction.setBadgeBackgroundColor({color: "red"}); browser.browserAction.onClicked.addListener(()=> { browser.browserAction.setBadgeBackgroundColor({color: "green"}); });
Set the badge background color only for the active tab:
browser.browserAction.setBadgeText({text: "1234"}); browser.browserAction.setBadgeBackgroundColor({color: "red"}); browser.browserAction.onClicked.addListener((tab)=> { browser.browserAction.setBadgeBackgroundColor({ color: "green", tabId: tab.id }); });
This API is based on Chromium's chrome.browserAction
API. This documentation is derived from browser_action.json
in the Chromium code.
Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.
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