Javascript DOM How to - Join tag names








Question

We would like to know how to join tag names.

Answer


<!--from  w  w  w  .  j av a 2s .  c o  m-->
<html>
  <head>
    <script type="text/javascript" src='http://code.jquery.com/jquery-1.5.2.js'></script>
    <script type="text/javascript">
        $(document).ready(function(){
             var parentEls = $("span").parents()
                                      .map(function () { 
                                             return this.tagName; 
                                       })
                                      .get().join(", ");
             $("span").append(parentEls);
        });
    </script>
  </head>
  <body>
       <div><p><span></span></p></div>
  </body>
</html>

The code above is rendered as follows: