Add-ons

extension.getURL()

Converts a relative path within an extension's install directory to a fully-qualified URL.

Syntax

browser.extension.getURL(
  path // string
)

Parameters

path
string. A path to a resource within an extension expressed relative to its install directory.

Return value

string. The fully-qualified URL to the resource.

Browser compatibility

ChromeEdgeFirefoxFirefox for AndroidOpera
Basic support Yes Yes4548 Yes

Examples

Given a file packaged with the add-on at "beasts/frog.html", get the full URL like this:

var fullURL = browser.extension.getURL("beasts/frog.html");

// -> something like:
// moz-extension://2c127fa4-62c7-7e4f-90e5-472b45eecfdc/beasts/frog.html

Example extensions

Acknowledgements

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.

Document Tags and Contributors

 Contributors to this page: andrewtruongmoz, wbamberg, Makyen
 Last updated by: andrewtruongmoz,