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Internet & World Wide Web: How to Program, Fifth Edition by Abbey Deitel, Harvey Deitel, Paul Deitel

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13. JavaScript Event Handling: A Deeper Look

The wisest prophets make sure of the event first.

—Horace Walpole

Do you think I can listen all day to such stuff?

—Lewis Carroll

The user should feel in control of the computer; not the other way around. This is achieved in applications that embody three qualities: responsiveness, permissiveness, and consistency.

Inside Macintosh, Volume 1 Apple Computer, Inc., 1985

We are responsible for actions performed in response to circumstances for which we are not responsible.

—Allan Massie

Objectives

In this chapter you’ll:

• Learn the concepts of events, event handlers and event bubbling.

• Create and register event handlers that respond to mouse and keyboard events.

• Use the event object to get information ...

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