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  1. Mozilla
  2. Add-ons
  3. Browser extensions
  4. JavaScript APIs
  5. pageAction
  6. pageAction.onClicked

pageAction.onClicked

Fired when a page action icon is clicked. This event will not fire if the page action has a popup.

To define a right-click action, use thecontextMenus API with the "page_action"context type.

Syntax

js
browser.pageAction.onClicked.addListener(listener)browser.pageAction.onClicked.removeListener(listener)browser.pageAction.onClicked.hasListener(listener)

Events have three functions:

addListener(listener)

Adds a listener to this event.

removeListener(listener)

Stop listening to this event. Thelistener argument is the listener to remove.

hasListener(listener)

Checks whether alistener is registered for this event. Returnstrue if it is listening,false otherwise.

addListener syntax

Parameters

listener

The function called when this event occurs. The function is passed these arguments:

tab

Atabs.Tab object representing the tab whose page action was clicked.

OnClickData

An object containing information about the click.

modifiers

Anarray. The keyboard modifiers active at the time of the click, being one or more ofShift,Alt,Command,Ctrl, orMacCtrl.

button

Aninteger. Indicates the button used to click the page action icon:0 for a left-click or a click not associated with a mouse, such as one from the keyboard and1 for a middle button or wheel click. Note that the right-click is not supported because Firefox consumes that click to display the context menu before this event is triggered.

Examples

When the user clicks the page action, hide it, and navigate the active tab to "https://giphy.com/explore/cat":

js
let catGifs = "https://giphy.com/explore/cat";browser.pageAction.onClicked.addListener((tab) => {  browser.pageAction.hide(tab.id);  browser.tabs.update({ url: catGifs });});browser.pageAction.onClicked.addListener(() => {});

Example extensions

Browser compatibility

Note:This API is based on Chromium'schrome.pageAction API. This documentation is derived frompage_action.json in the Chromium code.

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