Select your favorite programming languages:<br> 
    <input type="checkbox" name="prog" value="C">C<br> 
    <input type="checkbox" name="prog" value="C++">C++<br> 
    <input type="checkbox" name="prog" value="Java">Java<br> 
    <input type="checkbox" name="prog" value="VB.NET">VB.NET<br> 
    <input type="checkbox" name="prog" value="PHP">PHP<br> 
    <input type="checkbox" name="prog" value="Perl">Perl<br> 
    <input type="checkbox" name="prog" value="Ruby">Ruby<br> 
    <input type="checkbox" name="prog" value="Python">Python<br> 
    <input type="submit" id="submit_prog" value='Submit' /> 
 
<div id="content">The AJAX response will show up here.</div> 

You have selected:<br> 
<?php 
foreach ($_POST['prog'] as $prog) 
{ 
    $prog = htmlspecialchars($prog, ENT_QUOTES); 
    echo $prog, '', "\\n"; 
} 
?> 

var query_string = ''; 
$("input[@type='checkbox'][@name='prog']").each( 
    function() 
    { 
        if (this.checked) 
        { 
            query_string += "&prog[]=" + this.value; 
        } 
    }); 

$.ajax( 
    { 
        type: "POST", 
        url: "post_prog.php", 
        data: "id=1" + query_string, 
        success: 
            function(t) 
            { 
                $("div#content").empty().append(t); 
            }, 
        error: 
            function() 
            { 
                $("div#content").append("An error occured during processing"); 
            } 
    }); 

var data = {
    foo:  123,
    bar:  456,
    rows: [
    {
        column1 : 'hello',
        column2 : 'hola',
        column3 : 'bonjour',
    },
    {
        column1 : 'goodbye',
        column2 : 'hasta luego',
        column3 : 'au revoir',
    },
    ],
    test1:{
        test2: {
        test3:  'baz'
    }
    }
};