A line break is marked up as follows:
1. Definition and Usage
The <br> tag inserts a single line break.
The <br> tag is an empty tag which means that it has no end tag.
2. Tips and Notes
Note: Use the <br> tag to insert line breaks, not to create paragraphs.
3. Differences Between HTML 4.01 and HTML5
4. Differences Between HTML and XHTML
In HTML the <br> tag has no end tag.
In XHTML the <br> tag must be properly closed, like this: <br />.
5. Standard Attributes
The <br> tag supports the Standard Attributes in HTML.
6. Event Attributes
The <br> tag also supports the Standard Event Attributes in HTML.