Is it possible for external JavaScript files to access their host origin without using JSONP?

If I include a JavaScript file in my HTML page header that is not hosted on my server, like shown here:

<html><head>
<script src="https://example.com/script.js"></script></head>
<body>...

Will the browser allow this script to make requests to the original host (example.com) without needing JSONP or CORS due to same-origin-policy restrictions?

Answer №1

Actually, the request is initiated with the specific domain, port, protocol, and subdomain on which the page is located.

The source of the scripts does not matter in this context. They are all integrated into the current page (window).

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