Can jQuery AJAX Handle File Uploads with POST Requests?
Posted on 2025-03-23
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jQuery Ajax File Upload: Exploring the Possibilities
Can ajax requests be leveraged to upload files using the POST method?
Initial Approach
The provided jQuery code snippet performs an ajax request with a POST method. However, file upload is not directly supported through standard AJAX.
Alternative Solution: FormData
With the introduction of XHR2, file upload can be supported through the FormData object. This object allows for the inclusion of file data within the request body.
Compatibility Considerations
FormData support varies across browsers, with versions for the following desktop browsers being required:
- IE 10
- Firefox 4.0
- Chrome 7
- Safari 5
- Opera 12
Data Part Inclusion
When using FormData, it is necessary to fill the data part of the ajax request with the FormData object. This ensures that the file data is included in the request body.
Additional Resources
For further information on File upload through AJAX using FormData:
- https://developer.mozilla.org/en-US/docs/Glossary/FormData
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