jQuery Mobile Creating Buttons
$('#createButton').bind('click', function() {
    $('#buttonPlaceHolder').append('<a href="#" data-role="button">'+$('#buttonText').val()+'</a>');

    // refresh jQM controls
    $('#home').trigger('create');
});

<div data-role="page" id="home">
    <div data-role="content">

        <input type="text" id="buttonText" placeholder="Enter Button Name"/>
        <input type="button" id="createButton" value="Create Button" />
        <div id="buttonPlaceHolder">&nbsp;</div>

    </div>
</div>