Json Introduction What is JSON? JSON stands for J ava S cript O bject N otation JSON is lightweight text-data interchange format JSON is language independent * JSON is "self-describing" and easy to understand JSON uses JavaScript syntax for describing data objects, but JSON is still language and platform independent. JSON parsers and JSON libraries exists for many different programming languages. Json Format Example : { "employees": [ { "firstName": "John", "lastName": "Doe" }, { "firstName": "Anna", "lastName": "Smith" } ] } Why JSON? For AJAX applications, JSON is faster and easier than XML: Using XML Fetch an XML document Use the XML DOM to loop through the document Extract values and store in variables Using JSON