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runtime.getURL()

files/en-us/mozilla/add-ons/webextensions/api/runtime/geturl/index.md

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Original Source

Given a relative path from the manifest.json to a resource packaged with the extension, return a fully-qualified URL.

This function does not check that the resource actually exists at that URL.

Syntax

js-nolint
browser.runtime.getURL(
  path // string
)

Parameters

  • path
    • : string. A relative path from the manifest.json to a resource packaged with the extension.

Return value

string. The fully-qualified URL to the resource within the extension.

Examples

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

js
let fullURL = browser.runtime.getURL("beasts/frog.html");
console.log(fullURL);
// Returns something like:
// moz-extension://2c127fa4-62c7-7e4f-90e5-472b45eecfdc/beasts/frog.html

{{WebExtExamples}}

Browser compatibility

{{Compat}}

[!NOTE] This API is based on Chromium's chrome.runtime API. This documentation is derived from runtime.json in the Chromium code.

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