You can work around that by submitting it within an invisible iframe element, e.g. https://stackoverflow.com/a/17953761/903589 https://stackoverflow.com/a/17953

You can work around that by submitting it within an invisible iframe element, e.g. https://stackoverflow.com/a/17953761/903589 https://stackoverflow.com/a/17953761/903589 But yeah, you can't just make arbitrary requests like this with XHR