Difference between and

Question

Can any one explain me difference between and   ?

I have html data stored in database in binary form and space in that can be either

Answer 1

, is just a space character nothing more. Regular occurrence of this character will collapse to one space character at the end.

Where as   and   both represent non-breaking space character and if they occur continuously one after another, they will be collapse or break to one space character.

Only, difference between them is that   is the HTML number and   is a HTML name.

Basically all of these are HTML entities. You can learn and know about them, seeing the following links.

1. Link 1
2. Link 2