Demystifying Same Origin Policy in Simple Words

According to MDN Web Docs, -

The same-origin policy is a critical security mechanism that restricts how a document or script loaded by one origin can interact with a resource from another origin.

If you are a web developer or someone learning node.js (I mean backend development in JavaScript), 'Same-Origin Policy' is a very important concept to learn because it is definitely going to come up in your career any time.

Hold on your curiosity and bear with me to …

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