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pageAction.setTitle() - Mozilla | MDN
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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
js
browser.pageAction.setTitle(
details // object
)
Parameters
details-
object.tabId-
integer. The ID of the tab whose title you want to set. title-
stringornull. The tooltip text.If
nullis passed here, the title is reset to the title that was specified in thepage_actionmanifest key.
Examples
Whenever a tab is updated, show the page action for that tab, and set its title to show the tab's ID:
js
browser.tabs.onUpdated.addListener((tabId, changeInfo, tabInfo) => {
browser.pageAction.show(tabId);
browser.pageAction.setTitle({
tabId,
title: `Tab ID: ${tabId}`,
});
});
Example extensions
Browser compatibility
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Note:
This API is based on Chromium's chrome.pageAction API. This documentation is derived from page_action.json in the Chromium code.