Link
- <a href=""> links to another document
- <a href="" target=""> the target window of the link
- <base href=""> the base URL for relative links
A named anchor
- <a href="#"><a name=""> links to a named anchor
- <a href="url#"><a name=""> links to a named anchor in another document
E-mail sending
- <a href="mailto:address"> opens the email client
- <a href="mailto:address?subject=&body="> sets the subject and body text