AJAX and JSON

JSON – Javascript Serialized Object Notation

JSON has key-value pair

Following is the format of JSON
{name: "Nilesh", age: 31, city: "Kolhapur"}

We will submit data using ajax and get a response as JSON
$.ajax({ 

    type:'POST',   

    url:'submit.php', 

    data:{ name: "Abc" }, 

    dataType: 'json', 

    success:function(data){

        console.log( data.name ); 

    }, 

    error:function(data) { 

        alert(data); 

    } 

}); 

POST method
$.post( "submit.php", { name: "Abc" },  function( data ) { 

     console.log( data.name ); 

}, "json"); 

Following is shortform
$.getJSON( "submit.php", function( data ) {

     console.log( data.name ); 

});