[Sample Of May 25th] How to cross domains using JSONP, jQuery and RESTful WCF Service provider in JavaScript


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Sample Download : http://code.msdn.microsoft.com/How-to-cross-domain-with-8174e773

JSONP is a convention used to invoke cross-domain scripts by generating script tags in the current script. The result is returned in a specified callback function. JSONP is based on the idea that tags such as <script src="http://..." > can evaluate scripts from any domain and the script retrieved by those tags is evaluated within a scope in which other functions may already be defined. You can find the answers to all the following questions in the code sample:

  • How to use $.getJSON to read a JSONP request?
  • How to use original JavaScript to read a JSONP request? 

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