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The internet

The internet. The Internet. Interconnection of computer networks Developed in the late 1970s Originally for the United States military Was used extensively for military communications Number of users have doubled every year since 1990. The Internet. The Internet.

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The internet

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  1. The internet

  2. The Internet • Interconnection of computer networks • Developed in the late 1970s • Originally for the United States military • Was used extensively for military communications • Number of users have doubled every year since 1990

  3. The Internet

  4. The Internet • Web originally used Hyper Text Markup Language (HTML) • HTML is fairly simple • HTML can be learnt comparatively easy • As web grew, more user interaction was required: • HTML became limited • JavaScript invented by Netscape

  5. The Internet - JavaScript • Controls browsers adding pizzazz and interactivity to Web pages • Programming language that is included on a HTML page • Doesn’t appear on the screen

  6. The Internet – JavaScript • JavaScript is not Java • JavaScript creates applets • Small programs that download over the internet and run inside Web browsers

  7. The Internet - JavaScript • JavaScript allows more exciting web pages • Including: • Buttons that highlight • Can ensure that valid information is entered in forms • Allows web page calculations to be performed

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