Solution Review: Same Origin Policy
Explore the same-origin policy to understand how JavaScript limits access between pages with different origins to protect against cross-site scripting attacks. Learn how protocols, hostnames, and ports factor into the policy and how document.domain can be used to allow controlled subdomain interactions.
We'll cover the following...
We'll cover the following...
Question 1: Solution review
Explanation
The same-origin policy checks if two URLs have the same origin. It ensures that a script from one page can only access data from another page if it is of the same origin; hence, Options A & D are incorrect.
It is a critical security measure to isolate any malicious documents and to ...