January 2001
Beginner
312 pages
6h 4m
English
Content preview from JavaScript™ 1.5 by ExampleBecome 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
The trick to calling functions is to use events to do the work for you. JavaScript is event-driven, which means everything that happens is the result of an event or causes some event to occur. Opening a new page in the browser window is an event. Moving the mouse pointer is an event. Clicking is an event. The four events you will use the most in this book are
onLoad
onClick
onMouseover
onMouseout
Let's run through each of these quickly so that you're familiar with them before we continue.
The onLoad Event
The onLoad event is the event that occurs when something has loaded—for example, the browser has finished loading a page into the browser window. This event occurs only when all of the page (including images if they are set to load) has ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.