If you have any feedback on what should or should not be considered valid JSON-P/JSONP and is not properly handled yet by this validator, please give some feedback to help make it better. Or, better yet, fork it on github and change the validator as necessary!
This site is maintained and hosted by Kyle Simpson and Getify Solutions. The site and all its contents are hereby released as public-domain. Stylization choices are deliberately inspired/copied from Douglas Crockford's JSON.org site, given the obvious relationship of the content. Thanks to @hij1nx for the JSON-P logo, obviously also derivative of Douglas Crockford's JSON logo.