jQuery | getJSON() Method

Last Updated : 06 Mar, 2019

The getJSON() method in jQuery fetches JSON-encoded data from the server using a GET HTTP request.

Syntax:

$(selector).getJSON(url,data,success(data,status,xhr))

Parameters: This method accepts three parameters as mentioned above and described below:

url: It is required parameter. It is used to specify the URL in the form of a string to which the request is sent
data: It is an optional parameter which specifies data that will be sent to the server.
callback: It is also an optional parameter which runs when the request succeeds .

Return Value: It returns XMLHttpRequest object.

Below example illustrates the getJSON() method in jQuery:

employee.json file:

{
“name”: “Tony Stark”,
“age” : “53”,
“role”: “Techincal content writer”,
“company”:”Geeks for Geeks”
}

Example: This example get the JSON file and display its content.

<!DOCTYPE html>
<html>
  
<head>
    <title>
        jQuery getJSON() Method
    </title>
      
    <script src=
"https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js">
    </script>
      
    <!-- Script to get JSON file and display its content -->
    <script type = "text/javascript" language="javascript">
        $(document).ready(function() {
               
            $("#fetch").click(function(event){
                $.getJSON('employee.json', function(emp) {
                    $('#display').html('<p> Name: ' + emp.name + '</p>');
                    $('#display').append('<p>Age : ' + emp.age+ '</p>');
                    $('#display').append('<p> Role: ' + emp.role+ '</p>');
                    $('#display').append('<p> Company: ' + emp.company+ '</p>');
                });
            });
        });
      </script>
   </head>
       
   <body>
      <p>
          Click on the button to fetch employee data
      </p>
           
      <div id = "display" style = "background-color:#39B54A;"></div>
           
      <input type = "button" id = "fetch" value = "Fetch Employee Data" />
        
   </body>
</html>

Output:
Before Clicking the button:

After Clicking the button:

My Personal Notes

Related Articles

jQuery | getJSON() Method