Ajax Basics


  • What is Rich User Experience? 
  • What is and Why AJAX? 
  • Technologies used in AJAX 
  • Anatomy of AJAX operation 
  • XMLHttpRequest Methods & Properties 
  • DOM APIs & InnerHTML

Rich User Experience for Web Application

  • Take a look at a typical desktop application (Spreadsheet app, etc.) 
  • The program responses intuitively and quickly 
  • The program gives a user meaningful feedback's instantly 
    • A cell in a spreadsheet changes color when you hover your mouse over it 
    • Icons light up as mouse hovers them 
  • Things happen naturally 
    • No need to click a button or a link to trigger an event

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