<ul data-eligibleForWebStory="false"><li>Understanding Same-Origin Policy (SOP) and Cross-Origin Resource Sharing (CORS) is crucial.</li><li>SOP restricts JavaScript from accessing cross-origin request responses, while CORS allows exceptions.</li><li>Requests to different origins are blocked unless servers explicitly permit access via CORS.</li><li>Preflight requests ensure server permission before executing complex cross-origin requests, enhancing security.</li></ul>

A Complete Overview of Same-Origin Policy (SOP) and Cross-Origin Resource Sharing (CORS)

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