Can JQuery Signature work on WinRT or Win8 App

Question

-I have included the following in html file:

a) http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js
b) JSignature.js from https://github.com/brinley/jSignature/blob/master/libs/jSignature.min.js

-use WebView control to display this Html file.

Problem :

1) I can not draw my signature in the box on WinRT tablet(surface) using WebView control to display the html file

2) Having above libraries (a and b) , Can this work on tablet such ipad, Android?

<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js">
<script type="text/javascript" src="../Scripts/jSignature.js">   
 <script type="text/javascript">

        $(document).ready(function (){
        $("#divSignature").jSignature({width:400, height:140, mousedown:function(){}});
        });

 </script>