node2:/django/mysite/news/templates#cat displaytestxhr.html
<!DOCTYPE html>
<html>
   <head>
      <meta charset="utf-8" />
      <title>Listing 10.3</title>
      <link rel="stylesheet" href="../css/main.css"/>
   </head>
   <body>
   <body>
      <div id="aa">aaaaa</div>
      <div id="elem"></div>
      <div id="bb">bbbb</div>
      <script type="text/javascript" src="/static/Js/jquery-2.2.2.min.js"></script>
      <script type="text/javascript" src="/static/Js/Public/displaytestxhr.js"></script>
   </body>
</html>

node2:/django/mysite/news/templates#cat /django/mysite/static/Js/Public/displaytestxhr.js 
$(document).ready(function(){
$("#elem").load('/testxhr/?a=11&b=22&c=53');
});

jQuery # 选择器 jquery id选择器_django