javascript - handlebars.js example jquery error -


can please tell me why handlebars.js example not work? jquery error?

typeerror: e null in jquery

looks happening here $(document).append(thetemplate(thedata));

<!doctype html>  <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server">     <title></title>     <script src="js/jquery-1.9.1.min.js"></script>     <script src="js/handlebars.js"></script>      <script type ="text/javascript">          $(document).ready(function () {             var thedata = { headertitle: 'shop page', weekday: 'wednesday' };             var thetemplatescript = $("#header").html();             var thetemplate = handlebars.compile(thetemplatescript);             $(document).append(thetemplate(thedata));         }); </script> </head> <body>     <form id="form1" runat="server">     <div>     <script id="header" type="text/x-handlebars-template">         <div> {{ headertitle }} </div>         today {{weekday}}    </script>    </div>    </form> </body> </html>

i changed jquery version 1.7.2 , fixed problem. still not sure changed in newer version


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