October 2005
Beginner
560 pages
16h 2m
English
Content preview from Creating Web Sites: The Missing ManualBecome 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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Chapter 14. JavaScript and DHTML: Adding Interactivity
JavaScript is a simplified programming language designed for beefing up HTML pages with interactive features. JavaScript aims to give you just enough programming muscle to add some fancy effects, but not enough to cause any serious damage if your code goes wonky. JavaScript is perfect for creating pop-up windows, marquee-style scrolling text, and buttons that light up when a visitor moves his or her mouse pointer over them. On the other hand, JavaScript can’t help you build a hot e-commerce storefront (for that, you need the PayPal tools described in Chapter 13).
The goal of this chapter isn’t to teach you all the details of JavaScript. Instead, by the time this chapter’s through, you should know enough to find a great script online, understand it well enough to make basic changes, and paste it into your pages to get the results you want. Since the Web’s got dozens of JavaScript sites, offering thousands of ready-made scripts for free, these basic skills can come in very handy.
Understanding JavaScript
The JavaScript language has a long history—it first hit the scene with the Netscape Navigator 2 browser in 1995, and Internet Explorer jumped on the bandwagon by adding JavaScript compatibility to IE version 3. Today, all modern browsers support JavaScript, and it’s become wildly popular as a result. However, some justifiably paranoid surfers turn off the JavaScript switch in their browser settings (since malicious developers have, ...
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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.