Response.useFinalURL

The useFinalURL property of the Response interface contains a boolean stating whether this is the final URL of the response.

Syntax

var isfinalURL = Response.useFinalURL;

Value

A Boolean indicating whether or not the URL is final rather than a redirect.

Example

Consider a script residing in page index.html:

fetch('/test').then((r) => console.log(r.url))

test.html is being controlled by the service worker sw.js:

onfetch = (e) => {
  e.respondWith(fetch('/page2').then((r) => {
    r.usefinalURL = true;
    return r;
  })
}

The output will be /page2 and not /test in index.html, since setting the usefinalURL means that the response's URL is not set to request's URL.

Browser compatibility

See also

• ServiceWorker API
• HTTP access control (CORS)
• HTTP