What is & used for

Question

Is there any difference in behaviour of below URL.

I don\'t know why the & is inserted, does it make any difference ?

www.testur         


        

Answer 1

That's a great example. When ¤t is parsed into a text node it is converted to ¤t. When parsed into an attribute value, it is parsed as ¤t.

If you want ¤t in a text node, you should write &current in your markup.

The gory details are in the HTML5 parsing spec - Named Character Reference State