JavaScript: Events
Illustration by John Hersey

JavaScript: Events

with Ray Villalobos

Video: What we'll be building

So if you've been following along with all the different videos you should be very familiar with working with events. In this last chapter I wanted to walk you through a more complex project. And this is going to be a fun drag and drop build your own snowman project. So it has different kinds of events and it also happens to be touch enabled. So you can use this on your iPad or on your iPhone. And you use your fingers to drag the elements around. I'll start by showing you how to put this together using an Adobe Illustrator file and taking each of these elements and exporting them as SVG files.

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Watch the Online Video Course JavaScript: Events
2h 10m Intermediate Sep 17, 2013

Viewers: in countries Watching now:

Learn about the different types of JavaScript events available to use in your applications, including traditional events like mouse, form, and window events, plus events that allow you to manage the DOM and HTML5 events that deal with media. Author Ray Villalobos shows how to propagate and register events during the capturing and bubbling phases, cancel an event or default behavior, and respond to clicks, mouse-overs, right-clicks, following the mouse, and loading images. Plus, Ray demos an audio jukebox project and a drag-and-drop game that shows JavaScript desktop and touch events in action.

Topics include:
  • Understanding event registration and propagation
  • Analyzing event properties
  • Creating and removing DOM elements with events
  • Removing an event
  • Canceling and preventing default events
  • Playing media events
  • Handling media pauses
  • Dragging and dropping
  • Adding touch events
Subjects:
Developer Web
Software:
JavaScript
Author:
Ray Villalobos

What we'll be building

So if you've been following along with all the different videos you should be very familiar with working with events. In this last chapter I wanted to walk you through a more complex project. And this is going to be a fun drag and drop build your own snowman project. So it has different kinds of events and it also happens to be touch enabled. So you can use this on your iPad or on your iPhone. And you use your fingers to drag the elements around. I'll start by showing you how to put this together using an Adobe Illustrator file and taking each of these elements and exporting them as SVG files.

That will let your game be more compatible with (UNKNOWN) devices. Then we'll take a look at the JavaScript, the HTML, as well as the CSS file. Some of these are pretty simple. We'll also work through some compatibility issues with the different positioning attributes that are available in different browsers. I'll show you how to work with both regular events as well as touch events. And I'll talk about understanding layering issues by resetting the elements layer positions. So this should be a pretty fun project, so let's get started.

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