extension.getBackgroundPage()
Alias for runtime.getBackgroundPage().
Note: This method cannot be used in Private Browsing mode — it always returns an empty array. Consider using runtime.sendMessage() or runtime.connect(). For more info see bug 1329304.
Syntax
var page = browser.extension.getBackgroundPage()
Parameters
None.
Return value
object. Window of the background page.
Examples
Suppose a background script defines a function foo():
// background.js
function foo() {
console.log("I'm defined in background.js");
}A script running in a popup can call this function directly like this:
// popup.js
var page = browser.extension.getBackgroundPage();
page.foo(); // -> "I'm defined in background.js"Example extensions
Browser compatibility
BCD tables only load in the browser
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.
This API is based on Chromium's chrome.extension API. This documentation is derived from extension.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.