September 2006
Intermediate to advanced
528 pages
10h 23m
English
Content preview from ppk on JavaScriptBecome 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 8. DOM
JavaScript allows you to restructure an HTML document, for instance by adding, removing, or reordering the items shown on the page. In fact, without the possibility of restructuring the document, or at the very least providing some feedback (such as text in a form field or an image swap), JavaScript is pretty much worthless.
The example script that best demonstrates this restructuring is Sandwich Picker. Users can quickly and easily specify the sandwiches they want to order, and the script gathers the data by moving the <tr>s that contain sandwiches to the order table—in other words, by changing the document structure.
To change anything on a page, JavaScript needs access to all elements in the HTML document. Allowing this access ...
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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.