Question

   <script>
            $("*", document.body).each(function () {//is document.body a context?
                var parentTag = $(this).parent().get(0).tagName;
                //Above statement is only selecting the body tag why?

                $(this).prepend(document.createTextNode(parentTag + " > "));
            });
    </script>
  </body>
</html>       

Is there any reason for selecting only body tag in the above script?Also is document.body a context?since document.body is not quoted will it be a context?

Answer 1

i hope these are the ansers you are looking for

> Is there any reason for selecting only body tag in the above script?

It doesnt select only the Bodytag, if you run this code in Chrome you will see the tags

 $("*" ,document.body).each(function (idx, elem) {
 console.log(elem);
 });

Also is document.body a context?

Yes, it is here is a line to the API LINK

since document.body is not quoted will it be a context?

Yes, it is here is a line to the API LINK