New PDF release: JavaScript For Dummies

By Emily A. Vander Veer

ISBN-10: 0764576593

ISBN-13: 9780764576591

  • Responding to reader suggestions, the writer has completely remodeled the e-book with extra step by step insurance of JavaScript fundamentals, an unique specialize in web Explorer, and plenty of entire pattern scripts
  • Updated to hide JavaScript 1.5, the newest unlock of this well known internet scripting language
  • Using plenty of examples, together with a pattern operating site, the publication exhibits how you can create dynamic and interactive pages, construct whole websites, and automate pages

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Extra resources for JavaScript For Dummies

Sample text

Common examples of loops include the for, while, and do-while loops. ߜ Operators: Operators are the JavaScript answer to conjunctions. Operators include the commas, periods, and other symbols that you use to compare and assign values to variables. ߜ Variables: Variables are named placeholders that represent the bits of data that you work with in your scripts. I discuss each of these syntactical building blocks in the following sections. Don’t keep your comments to yourself The JavaScript interpreter ignores comments.

But if you have another text-editing program installed on your machine that you’d rather use to create your scripts, by all means, use that program. The companion CD contains trial versions of a handful of cool text editors that are optimized for JavaScript, including HELIOS Software Solutions’ TextPad, Bare Bones Software’s BBEdit, Macromedia Dreamweaver, and Adobe GoLive. Just make sure that you use a text editor to create your scripts and HTML files rather than using a word processor. The difference is this: When you save a file by using a word processor application, such as Microsoft Word, the application adds special nontext characters to the saved file.

Chances are good that the problem is due to one of the following situations: ߜ The correct HTML file isn’t loaded. If you created your HTML file from scratch, you might have inadvertently mistyped a statement or otherwise introduced a bug. No problem; you can fix the bug later. htm file from the companion CD. ߜ You’re not using a JavaScript-enabled browser. 1 (or higher). ߜ JavaScript support is turned off in your browser. Netscape Navigator and Microsoft Internet Explorer both provide ways to turn off JavaScript support.

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JavaScript For Dummies by Emily A. Vander Veer


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