Monday, February 1, 2010

Javascript

What is JavaScript?
  • JavaScript was designed to add interactivity to HTML pages
  • Javascript is a scripting language
  • A scripting language is a lightweight programming language
  • JavaScript is usually embedded diretly into HTML pages
  • JavaScript is an interpreted language (means that scripts execute without preliminary compilation)
  • Everyone can use JavaScript without purchasing a license

What can a JavaScript do?
  • JavaScript gives HTML designers a programming tool
  • JavaScript can put dynamic text into an HTML page
  • JavaScript can react to events
  • JavaScript can read and write HTML elements
  • JavaScript can be used to validate data
  • JavaScript can be used to detect the visitor's browser
  • Javascript can be used to create cookies



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