Difference between revisions of "JSONp"

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* '''Facebook social networking widget (via JSONp): http://bcmoney-mobiletv.com/metaweb/facebook/'''
 
* '''Facebook social networking widget (via JSONp): http://bcmoney-mobiletv.com/metaweb/facebook/'''
 
* JavaScript SDK: http://developers.facebook.com/docs/reference/javascript/
 
* JavaScript SDK: http://developers.facebook.com/docs/reference/javascript/
* JavaScript-Based Authentication: http://developers.facebook.com/docs/authentication/javascript
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* Graph Api & Javascript Base Facebook Connect Tutorial: http://thinkdiff.net/facebook/graph-api-javascript-base-facebook-connect-tutorial/
 
* New Facebook Javascript API: http://blog.toppingdesign.com/2010/04/26/new-facebook-javascript-api/
 
* New Facebook Javascript API: http://blog.toppingdesign.com/2010/04/26/new-facebook-javascript-api/
<ref>Facebook Connect JavaScript SDK: http://github.com/facebook/connect-js</ref><ref>Facebook JavaScript Client Library: http://wiki.developers.facebook.com/index.php/JavaScript_Client_Library</ref><ref>Old JavaScript SDK: http://developers.facebook.com/docs/reference/oldjavascript/</ref><ref>Building a Better Photo Uploader (with JSONp): http://www.facebook.com/note.php?note_id=178492968919</ref>
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<ref>* JavaScript-Based Authentication: http://developers.facebook.com/docs/authentication/javascript</ref><ref>Facebook Connect JavaScript SDK: http://github.com/facebook/connect-js</ref><ref>Facebook JavaScript Client Library: http://wiki.developers.facebook.com/index.php/JavaScript_Client_Library</ref><ref>Old JavaScript SDK: http://developers.facebook.com/docs/reference/oldjavascript/</ref><ref>Building a Better Photo Uploader (with JSONp): http://www.facebook.com/note.php?note_id=178492968919</ref>
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=== Yahoo ===
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* '''Yahoo! Term Extractor widget: http://bcmoney-mobiletv.com/metaweb/yahoo/'''
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* Yahoo! web-wide proxy content scraper widget (via YQL and JSONp):
  
  
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=== Yahoo ===
 
  
* '''Yahoo! Term Extractor widget: http://bcmoney-mobiletv.com/metaweb/yahoo/'''
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=== Wikipedia ===
* Yahoo! web-wide proxy content scraper widget (via YQL and JSONp):
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* '''Wikipedia encyclopedia article search widget (via YUI + JSONp): http://bcmoney-mobiletv.com/metaweb/wikipedia/'''
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Revision as of 13:15, 29 May 2010

JSON with Padding (commonly abbreviated JSONP) is a JSON extension wherein a prefix is specified as an input argument of the call itself. This padding prefix is typically the name of a callback function, but may also be a variable assignment, an if statement, or any other Javascript statement prefix. The original proposition appears to have been made in the MacPython blog in 2005 [17] and is now used by many Web 2.0 applications such as Dojo Toolkit Applications, Google Toolkit Applications[18] and Web Services. Further extensions of this protocol have been proposed by considering additional input arguments as, for example, is the case of JSONPP[1] supported by S3DB web services.

Because JSONP makes use of script tags, calls are essentially open to the world. For that reason, JSONP may be inappropriate to carry sensitive data.[20]

Including script tags from remote sites allows the remote sites to inject any content into a website. If the remote sites have vulnerabilities that allow JavaScript injection, the original site can also be affected.[2]



Examples

YouTube


Flickr


Last.fm


Twitter


Facebook

[3][4][5][6][7]


Yahoo


Google


Wikipedia





External Links


References

  1. Almeida, Jonas (June 11, 2008). "JSON, JSONP, JSONPP?". S3DB: http://sites.google.com/a/s3db.org/s3db/documentation/mis/json-jsonp-jsonpp. Retrieved April 26, 2009.
  2. wikipedia: JSONP#JSONP
  3. * JavaScript-Based Authentication: http://developers.facebook.com/docs/authentication/javascript
  4. Facebook Connect JavaScript SDK: http://github.com/facebook/connect-js
  5. Facebook JavaScript Client Library: http://wiki.developers.facebook.com/index.php/JavaScript_Client_Library
  6. Old JavaScript SDK: http://developers.facebook.com/docs/reference/oldjavascript/
  7. Building a Better Photo Uploader (with JSONp): http://www.facebook.com/note.php?note_id=178492968919


See Also

JSON | AJAX | jQuery | JavaScript | XSS