jQuery getJSON
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 /jquery/result.json file:
{
"name": "Zara Ali",
"age" : "67",
"sex": "female"
}
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Following is a simple example a simple showing the usage of this method:
<html>
<head>
<title>the title</title>
<script type="text/javascript"
src="/jquery/jquery-1.3.2.min.js"></script>
<script type="text/javascript" language="javascript">
$(document).ready(function() {
$("#driver").click(function(event){
$.getJSON('/jquery/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:blue;">
STAGE
</div>
<input type="button" id="driver" value="Load Data" />
</body>
</html>
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ที่มา : http://www.tutorialspoint.com/jquery/ajax-jquery-getjson.htm
