How to import data from a json file and parse it JavaScript to Display the Content

Introduction

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] )

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 names.txt file with json format content:

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

And Save this text file as JSONExample.html.

Click on the button to load result.html file:

Names.txt file code

JsonExample.html file code

<html>
<head>
<script type="text/javascript" src="http://code.jquery.com/jquery.min.js"></script>
<script type="text/javascript">
$(function(){
$.getJSON('names.txt',function(data){
$.each(data.employees,function(i,emp){
$('ul').append('
<li>'+emp.firstName+' '+emp.lastName+'</li>');
});
}).error(function(){
console.log('error');
});
});
</script>
</head>
<body>
<ul></ul>
</body>
</html>