Open the sidebar in the active window.

You can only call this function from inside the handler for a user action, such as:

  • Clicking the extension's browser action or page action.
  • Selecting a context menu item defined by the extension.
  • Activating a keyboard shortcut defined by the extension (note: this is not currently supported in Firefox).
  • Clicking a button in a page bundled with the extension.

This is an asynchronous function that returns a Promise.




Return value

A Promise that is resolved with no arguments.

Browser compatibility

ChromeEdgeFirefoxFirefox for AndroidOpera
Basic support No No57 No No


Open the sidebar when the user selects a context menu item:

  id: "open-sidebar",
  title: "open sidebar",
  contexts: ["all"]

browser.menus.onClicked.addListener(() => {;

Document Tags and Contributors

Contributors to this page: hellosct1, wbamberg
Last updated by: hellosct1,