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    copied!<p>Here is an example which uses a favorite jQuery plugin of mine, <a href="http://api.jquery.com/jquery.tmpl/" rel="nofollow">jQuery.tmpl()</a>, and also the jQuery <a href="http://api.jquery.com/text/" rel="nofollow">.text()</a> function.</p> <p>HTML and Javascript Code:</p> <pre><code>&lt;!DOCTYPE html&gt; &lt;html&gt; &lt;head&gt; &lt;script src="http://code.jquery.com/jquery-latest.min.js"&gt;&lt;/script&gt; &lt;script src="http://ajax.microsoft.com/ajax/jquery.templates/beta1/jquery.tmpl.min.js"&gt;&lt;/script&gt; &lt;/head&gt; &lt;body&gt; &lt;script id="UserTemplate" type="text/x-jquery-tmpl"&gt; &lt;li&gt;&lt;b&gt;Username: ${name}&lt;/b&gt; Group ID: (${group_id})&lt;/li&gt; &lt;/script&gt; &lt;button id="facebookBtn"&gt;Facebook Button&lt;/button&gt; &lt;div id="UserCount"&gt;&lt;/div&gt; &lt;ul id="userList"&gt;&lt;/ul&gt; &lt;script&gt; function getData(group_id) { $.ajax({ dataType: "json", url: "test.php?group_id=" + group_id, success: function( data ) { var users = data.users; /* Remove current set of movie template items */ $( "#userList" ).empty(); /* Render the template with the movies data and insert the rendered HTML under the "movieList" element */ $( "#UserTemplate" ).tmpl( users ) .appendTo( "#userList" ); $( "#UserCount" ).text('Number of users: '+ data.count); } }); } $( "#facebookBtn" ).click( function() { getData("1"); }); &lt;/script&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p>PHP Code</p> <pre><code>&lt;?php //Perform a query using the data passed via ajax $group_id = $_GET['group_id']; $user_array = array( array('name'=&gt;'John','group_id'=&gt;'1',), array('name'=&gt;'Bob','group_id'=&gt;'1',), array('name'=&gt;'Dan','group_id'=&gt;'1',), ); $user_count = count($user_array); echo json_encode(array('count'=&gt;$user_count,'users'=&gt;$user_array)); </code></pre>
 

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