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pageAction.setTitle()

Sets the title of the page action. The title is displayed in a tooltip when the user hovers over the page action.

Syntax

browser.pageAction.setTitle(
  details // object
)

Parameters

details

object.

tabId

integer. The ID of the tab whose title you want to set.

title

string or null. The tooltip text.

If null is passed here, the title is reset to the title that was specified in the page_action manifest key.

Browser compatibility

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`setTitle`	Yes	14	45	?	Yes	14	?	?	79	?	15 The API exists, but the title not visible in the UI.	?
`null`	No	No	59	?	No	14	?	?	No	?	15	?

Examples

Whenever a tab is updated, show the page action for that tab, and set its title to show the tab's ID:

browser.tabs.onUpdated.addListener((tabId, changeInfo, tabInfo) => {
  browser.pageAction.show(tabId);
  browser.pageAction.setTitle({
    tabId,
    title: `Tab ID: ${tabId}`,
  });
});

Example extensions

apply-css

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

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/pageAction/setTitle