July 2013
Intermediate to advanced
382 pages
6h 56m
English
Content preview from Object-Oriented JavaScript - Second EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Events
Imagine you are listening to a radio program and they announce, "Big event! Huge! Aliens have landed on Earth!" You might think "Yeah, whatever", some other listeners might think "They come in peace" and some "We're all gonna die!". Similarly, the browser broadcasts events and your code could be notified should it decide to tune in and listen to the events as they happen. Some example events include:
- The user clicks a button
- The user types a character in a form field
- The page finishes loading
You can attach a JavaScript function (called an event listener or event handler) to a specific event and the browser will invoke your function as soon the event occurs. Let's see how this is done.
Inline HTML attributes
Adding specific attributes to a tag ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.