WebExtensions Action API

Field note

What it does

Replaces browserAction and pageAction in Manifest V3. Provides functions to set icon, title, popup, badge text/colors, and events for click handling.

Capabilities

Available capabilities

Set toolbar button icon Enable or disable per tab Set popup HTML document Set toolbar button title Set badge text and colors Listen for icon clicks

Tags

Tags

Browser Extension Manifest V3 WebExtensions

Ways to use it

Ways to use it

sdk

JavaScript / https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/action