HTML Links, JS Functions, and Intro to CSS Layout

HTML Links

• using the tag <a> to create a link
• there is an href attribute in <a> to point at the page that is linked to
• using a relative link is better when linking a page within your site
• links can open email programs
• the id attribute and target the elements within the linked page

CSS Layout

There are several key points in layout:

• building blocks
• containing elements
• position of elements
  • normal flow: static
  • relative positioning: relative
  • absolute positioning: absolute
  • fixed positioning: fixed
  • overlapping elements: z-index
  • floating elements: float
  • clearing floats: clear
  • creating multi-column layouts with float
• screen sizes
• screen resolution
• page sizes
• layout grids

Function, Methods, and Objects

Functions let you group a series of statements together to perform a specific task. Tips of using a function:

• Declare a function using the function keyword
• Give the function a name followed by parentheses
• The statements that perform the task sit in a code block
• Functions can be used as variable values
• Variables declared within a function become LOCAL to the function

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