HTML: What's the correct form of BR?

Question

How is correct to write the br tag in html?

or

or anyt

Answer 1

.  

Here:

Some of the most common errors in the usage of XHTML are:
Not closing empty elements (elements without closing tags in HTML4)
Incorrect: 

Correct: 

Note that any of these is acceptable in XHTML: 

, 
, and 
. Older HTML-only browsers interpreting it as HTML will generally accept 
 and 
.