Limitations of JSONP for Posting Large Data JSONP (JSON with Padding) allows for cross-domain data transfer via the element. However, this method has its limitations.</p> <p><strong>Question:</strong> Can JSONP handle POST requests for large datasets?</p> <p><strong>Answer:</strong> No, JSONP is designed for GET requests only. All data must be included in the querystring.</p> <p><strong>Options for Handling Large Data</strong></p> <ol> <li> <strong>Regular Form POST:</strong> submit data via a form to a page on another domain.</li> <li> <strong>Hidden <iframe> Hacks:</strong> complex methods that involve inserting and manipulating hidden <iframe> elements.</li> </ol> <p><strong>Additional Considerations</strong></p> <p>The same origin policy restricts asynchronous POST requests to different domains. This limitation ensures the security of web applications by preventing unauthorized data transfers.</p>
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