AdvancED DOM Scripting: Dynamic Web Design Techniques - download pdf or read online

By Jeffrey Sambells

ISBN-10: 1590598563

ISBN-13: 9781590598566

As an online dressmaker or developer, you know the way robust DOM scripting is for reinforcing web content and purposes, including dynamic performance and bettering the person event. you may have an inexpensive knowing of JavaScript and the DOM, yet now you need to take your abilities extra. This publication is all you have to do soit exhibits you ways so as to add crucial performance on your web content, similar to at the fly format and elegance alterations, interface personalization, maps and seek utilizing APIs, visible results utilizing JavaScript libraries, and masses more.

  • Includes a brief recap of the fundamentals, for reference purposes.
  • Packed with actual global JavaScript strategies from starting to end
  • Written by means of "Beginning Google Maps" writer Jeffrey Sambells, and encompasses a case research through JavaScript guru Aaron Gustafson.

What you’ll learn

  • A speedy recap of the HTML and CSS DOM, equipment, and events.
  • Shows you the fundamentals of ways so as to add dynamic results and reply to person activities on your sites utilizing CSS and JavaScript.
  • Introduces Ajax to the combination, displaying you the way to take advantage of it, and whilst to not use it.
  • Learn top practices (such as sleek degredation) and productiveness development through code reuse (libraries and APIs)
  • Create Mashups utilizing seek, picture and mapping APIs.
  • Build higher, extra dynamic person studies utilizing libraries resembling Prototype and Scriptaculous.

Who this publication is for

This ebook is for intermediate to complex net designers and builders who have already got an inexpensive to sturdy wisdom of HTML, CSS, and JavaScript.

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Extra resources for AdvancED DOM Scripting: Dynamic Web Design Techniques

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8 DO IT RIGHT WITH BEST PRACTICES Figure 1-1. Using the javascript: prefix in the href attribute of an anchor with a method that returns a value sometimes overwrites your page with the value. open(url); //do not return anything! com');">➥ AdvancED DOM Scripting That’s still using the inline javascript: prefix. htm), but it’s generally implemented by all browsers supporting ECMAScript. Using the prefix, or the previous onclick attribute, creates a direct reliance on JavaScript to navigate or activate the anchor.

Probably not, and even if you wanted to, you may have no idea what each person can or can’t do. Adding checks can only be done once a problem is found, with no provisions for the future. The best solution is capability detection. Use capability detection Capability detection, often call object detection, refers to checking the existence of a script object or method before executing code, rather than relying on your knowledge of which browsers have which features. If the required object or method exists, the browser is capable of using it and will execute as expected regardless of the version or signature of the browser.

Writing your own code can only teach you more, and as you become more experienced, you’ll only further appreciate what JavaScript has to offer. But that doesn’t mean you have to reinvent the wheel. There is an abundance of JavaScript libraries out there, many excellent ones and many very bad ones. I’ll be discussing a handful of them in Chapter 9, but until then, here’s a short refresher on some of the JavaScript gotchas that you may encounter in your code. Common gotchas in the JavaScript syntax Even if you’re a seasoned web developer who’s been scripting away for a decade, you’re going to come across some situation where you’ve been staring at a problem for hours and just can’t figure out what’s up.

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AdvancED DOM Scripting: Dynamic Web Design Techniques by Jeffrey Sambells


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