Serialization with jquery ajax

can anyone help me out , how to do serialization using jquery? i tried this script , its not working. But the demo they mentioned is working over there

http://www.tutorialspoint.com/jquery/ajax-serialize.htm

Thanks开发者_运维知识库 for any help or suggestions

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it works. look here please : jsFiddle
And please remember serialize method works only with html form tag