Jquery mobile exemple doesn't work at me (linux client and synology web server)

Jquery mobile exemple doesn't work at me (linux client and synology web server)

Hi,

I'm newbie with jquery. I cut and past an example from the jquery internet site to my web server on nas synology.

I see only normal result not "jquery result". What should I do to make jquery work at home? Surely a problem on my nas synology (ds415, apache 2.4, php 7 "default profile", what else?).

Here after the code :

<!DOCTYPE html>
<html>
<head>
    <title>Page Title</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href=" http://code.jquery.com/mobile/1.4.5/jquery.mobile-1.4.5.min.css" />
    <script src=" http://code.jquery.com/jquery-1.11.1.min.js"></script>
    <script src=" http://code.jquery.com/mobile/1.4.5/jquery.mobile-1.4.5.min.js"></script>
</head>
<body>

<div data-role="page">

    <div data-role="header">
        <h1>Page Title</h1>
    </div><!-- /header -->

    <div role="main" class="ui-content">
        <p>Page content goes here.</p>
    </div><!-- /content -->

    <div data-role="footer">
        <h4>Page Footer</h4>
    </div><!-- /footer -->
</div><!-- /page -->

</body>
</html>
</html>

The result :