December 2002
Intermediate to advanced
576 pages
32h
English
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Chapter 11. JavaScript
JavaScript is a lightweight, object-based scripting language. The general-purpose core of the language has been embedded in Netscape Navigator, Microsoft Internet Explorer, and other web browsers and embellished for web programming with the addition of objects that represent the web browser window and its contents. This client-side version of JavaScript allows executable content to be included in web pages. With JavaScript, you can move beyond static HTML to write web pages that include programs that interact with the user, control the browser, and dynamically create HTML content. JavaScript is the most popular scripting language for client-side web development.
This chapter starts with coverage of the core JavaScript language, followed by material on client-side JavaScript, as used in web browsers. The final portion of this chapter is a quick-reference for the core and client-side JavaScript APIs. For complete coverage of JavaScript, we recommend JavaScript: The Definitive Guide, by David Flanagan (O’Reilly).
Versions of JavaScript
The name JavaScript is owned by Netscape. Microsoft’s implementation of the language is officially known as JScript, but very few people actually make a distinction between JavaScript and JScript. Versions of JScript are more or less compatible with the equivalent versions of JavaScript, although JScript skipped a version and went directly from JavaScript 1.0 compatibility to JavaScript 1.2 compatibility.
JavaScript has been ...
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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.