Layers (Cambridge International IGCSE ICT)

Layers

What are layers?

• A webpage is made of three layers, a layer is one specific part of a webpage

• A benefit of a layered approach is that issues can be addressed independently

• This allows teams to specialise in each area and work efficiently

• Webpages consist of a:

  • Content layer
  • Presentation layer
  • Behaviour layer

Content layer

• The content layer forms the structure of a web page
• This is where text, images, and other content that make up the body of the web page are entered
• It's typically constructed using HTML(Hypertext Markup Language)

Presentation layer

• The presentation layer is used to display and format elements within a web page
• It controls how the content looks, including layout, colours, fonts, and more
• This layer is mainly handled by CSS(Cascading Style Sheets)

Behaviour layer

• The behaviour layer uses scripting languages to control elements within a web page
• It enables interactive elements and complex functionality, such as form validation, image sliders, and dynamic content updates
• JavaScript is the primary language used for the behaviour layer

Worked Example Web development layers are used when designing web pages. An example of one of the layers is the presentation layer.

Name the other two web development layers.

[2]

Answer

Final answer: Content/Structure [1] Behaviour/Scripting [1]