HTML

Attributes

• An attribute adds information to a tag
• An attribute takes on a value
• For example, <p style="color: #0000ff">
• For example, <h2 style="background-color: rgb(255, 255, 0)">
• For example, <h2 title="Section Name">

Links

• Tag: a - anchor
• Attribute: href - hypertext reference
  • Possible value: http://www.cs.montana.edu
  • Possible value: page.html
  • Possible value: subfolder/page.html
  • Possible value: ../page.html
  • Possible value: #name (in conjunction with the id attribute)
  • Possible value: mailto:somebody@gmail.com

Images

Common formats are gif (Graphical Interchange Format), jpg or jpeg (Joint Photographic Experts Group), and png (Portable Network Graphics).

• Tag: img - image
• Attribute: src - source
• Attribute: alt - alternate description
• Attribute: width, e.g. 100px or 30%
• Attribute: height
• Attribute: title

Note: An image can also be a link.

Tables

• Tag: table
  • Attribute: border
  • Attribute: width
  • Attribute: align, Values: left, center, right
  • Attribute: valign, Values: top, middle, bottom
• Tag: tr - table row
• Tag: td - table data
  • Attribute: colspan
  • Attribute: rowspan
• Tag: th - table header
• Attribute: rowspan

Note: Tables were formerly used as a layout tool in the old days of the Internet. Now CSS (cascading style sheets) is preferred.