Knockoutjs.com - Hello World Example

http://knockoutjs.com/examples/helloWorld.html

HTML

<script src="http://code.jquery.com/mobile/1.3.0/jquery.mobile-1.3.0.min.js"></script>
<link rel="stylesheet" href="http://code.jquery.com/mobile/1.3.0/jquery.mobile-1.3.0.min.css">
<div data-role="page">
    <div data-role="content"> <a onclick="$('#popup_input').focus()" href="#popup" data-iconpos="top" data-rel="popup" data-position-to="window" data-role="button" data-inline="false" data-transition="pop" data-icon="plus" data-theme="b">open</a>

        <div data-role="popup" id="popup" data-overlay-theme="a" data-theme="c" data-dismissible="false" style="max-width:400px;" class="ui-corner-all">
            <div data-role="header" data-theme="a" class="ui-corner-top">
                 <h1>Popup</h1>

            </div>
            <div data-role="content" data-theme="d" class="ui-corner-bottom ui-content">
                 <h3 class="ui-title">Focused Field</h3>

                <p>
                    <input type="text" id="popup_input" />
                </p> <a href="#" data-role="button"data-rel="back">Close</a>

            </div>
        </div>
    </div>
</div>