JavaScript programming language

JavaScript is especially useful for making your web pages interactive.

Examples

• Button rollovers: when you move your mouse over a button, it highlights.
• Menus: when you clicks on menu work, you get a drop down list of menu choices.
• Calculator: you type numbers into a web form, then JavaScript calculates results.
• Autocomplete: you start typing a search word, then JavaScript suggests possible matches.
• Maps: Google maps uses lots of JavaScript for scrolling, highlighting, and pinpointing.
• AJAX: advanced ways to do smarter, faster web pages by using dynamic data transfer.

Sample

  // Make the web browser show a pop up
  // that says Hello World to the user

  function hi(){
   alert("Hello World");
  }

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