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The three jobs of web technology

The three jobs of web technology

Diagram showing HTML, CSS and JavaScript feeding into a browser, which reads HTML, builds the DOM, applies CSS and runs JavaScript before displaying a page with a heading, form control, button and output paragraph

A web page usually combines three technologies. HTML provides the structure and content, CSS controls appearance, and JavaScript adds behaviour such as reacting to a button click or form input.

HTML, CSS and JavaScript Lesson

  1. A Level
  2. /Computer Science
  3. /HTML, CSS and JavaScript

Step-by-step lessons covering OCR A Level Computer Science HTML, CSS and JavaScript for A Level Computer Science. Each lesson works through exam-style questions.

Lessons