runtime.getURL()

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.

path

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

string. The fully-qualified URL to the resource.

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

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

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• permissions