A line break is marked up as follows:
The <br> tag inserts a single line break.
The <br> tag is an empty tag which means that it has no end tag.
Tip: The <br> tag is useful for writing addresses or poems.
Note: Use the <br> tag to enter line breaks, not to separate paragraphs.
In HTML, the <br> tag has no end tag.
In XHTML, the <br> tag must be properly closed, like this: <br />.
The <br> tag also supports the Global Attributes in HTML.
The <br> tag also supports the Event Attributes in HTML.
HTML tutorial: HTML Paragraphs
HTML DOM reference: BR Object