index.md

---

title: tabs.highlight()
slug: Mozilla/Add-ons/WebExtensions/API/tabs/highlight
page-type: webextension-api-function
tags:
  - API
  - Add-ons
  - Extensions
  - Method
  - Non-standard
  - Reference
  - WebExtensions
  - highlight
  - tabs
browser-compat: webextensions.api.tabs.highlight

---

{{AddonSidebar()}}

Highlights (selects) one or more tabs. Tabs are specified using a window ID and a range of tab indices.

This is an asynchronous function that returns a Promise.

Syntax

let highlighting = browser.tabs.highlight(
  highlightInfo         // object
)

Parameters

• highlightInfo

  • : object.

    • windowId {{optional_inline}}

      • : integer. ID of the window that contains the tabs.

    • populate {{optional_inline}}

      • : boolean. Defaults to true. If set to false, the {{WebExtAPIRef('windows.Window')}} object won't have a tabs property containing a list of {{WebExtAPIRef('tabs.Tab')}} objects representing the tabs open in the window.

        Note: Populating the window (the default behavior) can be an expensive operation if there are lots of tabs. For better performance it's recommended to manually set populate to false if you don't need tab details.

    • tabs

      • : array of integer values specifying one or more tab indices to highlight. Previously highlighted tabs not included in tabs will stop being highlighted. The first tab in tabs will become active.

Return value

A Promise that will be fulfilled with a {{WebExtAPIRef('windows.Window')}} object containing details about the window whose tabs were highlighted. If the window could not be found or some other error occurs, the promise will be rejected with an error message.

Browser compatibility

{{Compat}}

{{WebExtExamples}}

Note: This API is based on Chromium's chrome.tabs API. This documentation is derived from tabs.json in the Chromium code.