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Handling events with the DOM - Part III


In this third part of our series, we will learn about Event objects, the "type" property, how to determine the target of an event, and more.

Author Info:
By: Alejandro Gervasio
Rating: 4 stars4 stars4 stars4 stars4 stars / 14
May 03, 2005
TABLE OF CONTENTS:
  1. · Handling events with the DOM - Part III
  2. · Another creature in an object-based world: the Event object
  3. · Determining the type of event: the "type" property
  4. · Targeting objects: determining the target of the event
  5. · Focusing on keys: determining which key has been pressed
  6. · The x-y game: determining mouse coordinates
  7. · Buttons from the bottom: detecting mouse buttons

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Handling events with the DOM - Part III
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Introduction

 

Welcome to Part III of the series "Handling Events with the DOM." I hope that youve enjoyed reading the two previous articles as much as I enjoyed writing them. Lets remind ourselves about the topics covered in those sections, in order to recapitulate our knowledge and tackle the final lap in this round.

 

So far, weve learned a little more about the basics of assigning event handlers in Web documents, dug deeper into event phases, and explained the concepts that lie behind Event Capture and Event Bubble phases. Next, we demonstrated with several examples how most popular browsers implement event handlers through some standard and proprietary methods. Doing so, weve been using "attachEvent()" in the case of N6+/Mozilla and "addEventListener()" for IE, to properly attach events handlers to page objects, and seeing clear and noticeable differences between browser manufacturers.

 

Now, in last part of the series, were going to consciously analyze the DOM event object, looking at its most useful methods and properties, and revealing several proprietary approaches that differ from the proposed standards. Does that sound interesting enough for you? I hope so, because were speeding up to go the last mile toward our final goal. Let's get ready to discover more about the Event object.

 


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