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MIDHUN SUDHAKAR twitter.com/midhunopus in.linkedin.com/pub/midhunsudhakar/86/a65/a9 b/Phonenumber JSON

Disclaimer: This presentation is prepared by trainees of baabtra as a part of mentoring program. This is not official document of baabtra –Mentoring Partner Baabtra-Mentoring Partner is the mentoring division of baabte System Technologies Pvt. Ltd

Contents  WHAT IS JSON?  JSON ADVANTAGES  JSON STRUCTURE  SYNTAX OF JSON  JSON OR XML?

JSON JavaScript Object Notation  Lightweight data-sharing format.  Derived from the JavaScript.  Language independent.  An alternative to XML

JSON advantages  easy for humans to read and write  JSON's structure is simple.  Better Parsing efficiency. 

JSON Structure JSON is built on two structures:  A collection of name/value pairs. realized as objects.  An ordered list of values. realized as array.

JSON Objects { "firstName":"John", "lastName":"Doe" } This is also simple to understand, and equals to the JavaScript statements: firstName = "John"; lastName = "Doe";

JSON Arrays JSON arrays are written inside square brackets. An array can contain multiple objects: { "employees": [ { "firstName":"John", "lastName":"Doe" }, { "firstName":"Anna", "lastName":"Smith" }, { "firstName":"Peter", "lastName":"Jones" } ] }

sample program JSON Object Creation in JavaScript Name: Age: street: Phone: var JSONObject = { "name":"Baabtra", "street":"calicut", "age":33, "phone":" "}; document.getElementById("jname").innerHTML=JSONObject.name; document.getElementById("jage").innerHTML=JSONObject.age; document.getElementById("jstreet").innerHTML=JSONObject.street; document.getElementById("jphone").innerHTML=JSONObject.phone; clIck me

JSON ➡ Native data form for JavaScript JSONXML Data is readily accessible as JSON objects XML data needs parsing Retrieving values from JSON is as easy as importing an object in JavaScript Needs to use tedious DOM APIs and processing power to assign to variables.

JSON VS XML

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