jQuery.getJSON() Method

Quiz

Description

The jQuery.getJSON( url, [data], [callback] ) method loads JSON data from the server using a GET HTTP request.

The method returns XMLHttpRequest object.

Syntax

Here is the simple syntax to use this method −

$.getJSON( url, [data], [callback] )

Parameters

Here is the description of all the parameters used by this method −

url − A string containing the URL to which the request is sent
data − This optional parameter represents key/value pairs that will be sent to the server.
callback − This optional parameter represents a function to be executed whenever the data is loaded successfully.

Example

Assuming we have following JSON content in result.json file −

{
"name": "Zara Ali",
"age" : "67",
"sex": "female"
}

Following is a simple example a simple showing the usage of this method −

<html>

   <head>
      <title>The jQuery Example</title>
      <script type = "text/javascript" 
         src = "https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
		
      <script type = "text/javascript" language = "javascript">
         $(document).ready(function() {
			
            $("#driver").click(function(event){
               $.getJSON('result.json', function(jd) {
                  $('#stage').html('<p> Name: ' + jd.name + '</p>');
                  $('#stage').append('<p>Age : ' + jd.age+ '</p>');
                  $('#stage').append('<p> Sex: ' + jd.sex+ '</p>');
               });
            });
				
         });
      </script>
   </head>
	
   <body>
	
      <p>Click on the button to load result.html file:</p>
		
      <div id = "stage" style = "background-color:#cc0;">
         STAGE
      </div>
		
      <input type = "button" id = "driver" value = "Load Data" />
		
   </body>
	
</html>

This should produce following result −

jquery-ajax.htm

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