use tags <script> with if and else

Question

I have some script tag like this:

<script src="cordova-2.5.0.js"></script>
<script src="js/jquery-1.7.2.min.js"></script>
<script src="js/jquery.mobile-1.1.1.min.js"></script>
<script src="js/jquery.xdomainajax.js"></script>
<script src="js/xml2json.js"></script>
<script src="js/ZipPlugin.js"></script>
<script src="js/jquery-ui.min.js"></script>
<script src="js/jquery.ui.touch-punch.min.js"></script>
<script src="js/prefixfree.min.js"></script>

This is my app i wrote using phonegap for android but i want to use code in web. And i dont use all for web page.

Have any way to do it like using if else like this in html:

if(anything) {
    <script src="cordova-2.5.0.js"></script>
    <script src="js/jquery-1.7.2.min.js"></script>
    <script src="js/jquery.mobile-1.1.1.min.js"></script>
    <script src="js/jquery.xdomainajax.js"></script>
    <script src="js/xml2json.js"></script>

    <script src="js/prefixfree.min.js"></script>
} else {
    <script src="js/ZipPlugin.js"></script>
    <script src="js/jquery-ui.min.js"></script>
    <script src="js/jquery.ui.touch-punch.min.js"></script>
}

I am a dumper, please help me. Thanks for reading!!!

Edit:

if i want to change my script tag:

<script src="js/prefixfree.min.js"></script>

Become like this:

<script src="http://smartphone.thnt.vn/VietGames/GhepTranhTu/Web/js/prefixfree.min.js"></script>

Have anyway to make a variable like:

var key ="http://smartphone.thnt.vn/VietGames/GhepTranhTu/Web/"

And then use in tag like this:

<script src = "key + 'js/prefixfree.min.js'"></script> 

Answer 1

For the first part. you can do this:

if (anything) {
    $('head').append('<script src="cordova-2.5.0.js"></script>')
        .append('<script src="js/jquery-1.7.2.min.js"></script>')
        .append('<script src="js/jquery.mobile-1.1.1.min.js"></script>')
        .append('<script src="js/jquery.xdomainajax.js"></script>')
        .append('<script src="js/xml2json.js"></script>')    
        .append('<script src="js/prefixfree.min.js"></script>')
} else {
    $('head').append('<script src="js/ZipPlugin.js"></script>')
        .append('<script src="js/jquery-ui.min.js"></script>')
        .append('<script src="js/jquery.ui.touch-punch.min.js"></script>')
}

To change the script tag, do this:

var key ="http://smartphone.thnt.vn/VietGames/GhepTranhTu/Web/"
$('script[src="js/prefixfree.min.js"]').attr('src', key + 'js/prefixfree.min.js');