A collection of computer systems and programming tips that you may find useful.
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Monday, January 28, 2013

JSON versus JSONP Tutorial

I recently found myself a bit confused on how to convert a JQuery $.getJSON() call to use JSONP (JSON with Padding).

JSONP is a way to get around the Same Origin Policy restriction when a script in one domain wants to fetch JSON data from a server in a different domain.

The approach is simple enough but I had trouble finding a clear explanation. So I wrote up a simple example in both JSON and JSONP with server and client code.

The live demo is at http://json-jsonp-tutorial.craic.com and all the code is on Github at https://github.com/craic/json_jsonp_tutorial

I hope that you find it useful...

1 comment:

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