Shows the page action for a given tab. The page action is shown whenever the given tab is the active tab.
show() overrides pattern matching, so the page action will be shown in the specified tab even if show_matches does not match the URL or hide_matches does.
Note that calling show() has no effect on a tab with no content loaded.
Syntax
browser.pageAction.show( tabId // integer )
Parameters
tabIdinteger. The ID of the tab for which you want to show the page action.-
Return value
A
Promisethat will be fulfilled withundefined.
Browser compatibility
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
| Desktop | Mobile | ||||
|---|---|---|---|---|---|
show | Chrome Full support Yes | Edge Full support 14 | Firefox Full support 45 | Opera Full support Yes | Firefox Android
Full support
50
|
Legend
- Full support
- Full support
- See implementation notes.
- See implementation notes.
Examples
This example shows the page action for the active tab when the user selects a context menu item. Note that you'll need the contextMenus permission in your manifest to create context menu items.
browser.contextMenus.create({
id: "show",
title: "Show page action"
});
browser.contextMenus.onClicked.addListener(function(info, tab) {
if (info.menuItemId == "show") {
browser.pageAction.show(tab.id);
}
});
Example extensions
This API is based on Chromium's chrome.pageAction API. This documentation is derived from page_action.json in the Chromium code.
Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.
// Copyright 2015 The Chromium Authors. All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.