index.md

---

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

---

{{AddonSidebar()}}

Gets the current zoom settings for a specified tab.

This is an asynchronous function that returns a Promise.

Syntax

let gettingZoomSettings = browser.tabs.getZoomSettings(
  tabId                       // optional integer
)

Parameters

• tabId {{optional_inline}}

  • : integer. The ID of the tab to get the current zoom settings from. Defaults to the active tab of the current window.

Return value

A Promise that will be fulfilled with a {{WebExtAPIRef('tabs.ZoomSettings')}} object representing the tab's current zoom settings. If the tab could not be found or some other error occurs, the promise will be rejected with an error message.

Examples

Get the zoom settings for the current tab:

function onGot(settings) {
  console.log(settings);
}

function onError(error) {
  console.log(`Error: ${error}`);
}

let gettingZoomSettings = browser.tabs.getZoomSettings();
gettingZoomSettings.then(onGot, onError);

{{WebExtExamples}}

Browser compatibility

{{Compat}}

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