Introduction to DHTML
Introduction to DHTML. Phil Denoncourt III. What is DHTML. Dynamic HTML Just as Access is Dynamic Database environment Can have controls that respond to events Can have centralized code modules Can be written in VB(script). Internet Explorer DHTML.
Introduction to DHTML
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Presentation Transcript
Introduction to DHTML Phil Denoncourt III
What is DHTML • Dynamic HTML • Just as Access is Dynamic Database environment • Can have controls that respond to events • Can have centralized code modules • Can be written in VB(script)
Internet Explorer DHTML • Developing for two DHTML environments takes three times the development time • IE supports ActiveX controls & objects • IE supports VB script • 80% of the worlds browsing activity is done with IE
Advantages of DHTML over Access • Centralized code for distribution • Can be secured by using HTTPS • Richer event model; Tighter control over the display • Smaller footprint • Can monitor usage easier
Disadvantages • Uses script languages which mean • All variables are variants • Error handling is limited • Debugging can be awkward
Features • Data binding • Behaviors or Scriptlets • Support for XML • Event Bubbling • Flexible object model
What you have to know • HTML • VB (script) • DOM (Document object model)
