Upgrading jQuery mobile from 1.2.1 to 1.4.5
I'm very new to jQuery and have to update a existing project, when i simply replace the old lines with new code the whole css stop working right, its a single page application.
<link rel="stylesheet" href="<?php echo AppEnvironment::getMobileUrl() . '/css/jquery.mobile-1.2.1.min.css' ?>" />
<link rel="stylesheet" href="<?php echo AppEnvironment::getMobileUrl() . '/css/style.css' ?>" />
<link rel="shortcut icon" href="<?php echo AppEnvironment::getMobileUrl() . '/img/favicon.ico' ?>" type="image/x-icon" />
<script src="<?php echo AppEnvironment::getMobileUrl() . '/js/jquery-1.8.3.min.js' ?>"></script>
<script src="<?php echo AppEnvironment::getMobileUrl() . '/js/jquery.mobile-1.2.1.min.js' ?>"></script>
<script type="text/javascript" src=<?php echo AppEnvironment::getMobileUrl() . '/js/javascript-php.mim.js'; ?>></script>
what i have to update ? can someone help me ?