July 2008
Beginner
543 pages
17h 59m
English
Content preview from JavaScript: 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,
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.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.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.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.
Chapter 14. Going Further with JavaScript
This final chapter covers various concepts that can help make you a better JavaScript programmer. You don’t need most of the ideas here to write functioning JavaScript programs, so don’t worry if you don’t understand them all. In fact, aside from the first section, “Putting It All Together” (which contains some good advice for beginners), you can program happily for a long time without needing the information in the other sections in this chapter. But if you want to expand your skills, this chapter can point you in the right direction.
Putting It All Together
So far in this book, you’ve seen lots of tasks that JavaScript can accomplish: form validation, image rollovers, photo galleries, user interface improvements like tabbed and accordion panels, and more. But you might be wondering, how do you put them together to work with your site? After all, once you start using JavaScript, you’ll probably want to use it to improve every page of your site. Here are some tips for how to use multiple scripts on your site.
Using External JavaScript Files
As mentioned on External JavaScript Files, external JavaScript files are an efficient way to share the same JavaScript code among Web pages. An external file makes updating your JavaScript easier—there’s just one file to edit if you need to enhance (or fix) your JavaScript code. In addition, when an external JavaScript file is downloaded, it’s stored in the browser’s cache, so it doesn’t need to be downloaded ...
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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.
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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.