JAVASCRIPT JSON

JAVASCRIPT JSON

• JSON- JavaScript Object Notation
• Which is  language independent.
• Self-describing and easy to understand
• Json is a format for storing and transporting data.
• Which is often used when data is sent from a server to a web page.
• json file type is - .json 
• json mime type is -  application/json
• Exchanging data

               -Sending data
               -Receiving data
               -Storing data
      


Syntax of JSON

•   Name/value pairs

               "name":"value"

•   Every data will separate by commas

                "name1":"value1"  ,  "name2":"value2" , "name3":"value3"

•   Objects for curly bracket

               {"name1":"value1"  ,  "name2":"value2" , "name3":"value3" }

•   Arrays for square bracket

               ["value1" , "value2" , "value3"]

Different between syntax of javascript and JSON

In javascript -  name: "value" / name: 'value'

In JSON  -  "name": "value" / "name": 'value'

JSON object

object syntax -  {"name1":"value1"  ,  "age1": 11 };

accessing object value

eg1-

var obj = {"name1":"value1"  ,  "age1": 11 };

var out = obj.name1;

document.getElementById().innerHTML=out;

eg2-

var obj = {"name1":"value1"  ,  "age1": 11 };

var out = obj["name1"];

document.getElementById().innerHTML=out;