Download AdvancED DOM Scripting: Dynamic Web Design Techniques by Jeffrey Sambells PDF

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 websites and functions, including dynamic performance and bettering the person adventure. you may have an inexpensive knowing of JavaScript and the DOM, yet now you need to take your talents extra. This e-book is all you have to do soit indicates you the way so as to add crucial performance on your web content, equivalent to at the fly format and elegance adjustments, 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 genuine global JavaScript recommendations from starting to end
  • Written through "Beginning Google Maps" writer Jeffrey Sambells, and encompasses a case research by means of 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 the way so as to add dynamic results and reply to person activities for your websites utilizing CSS and JavaScript.
  • Introduces Ajax to the combination, exhibiting you the way to exploit 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 larger, extra dynamic person studies utilizing libraries similar to Prototype and Scriptaculous.

Who this e-book is for

This publication is for intermediate to complicated net designers and builders who have already got an inexpensive to solid wisdom of HTML, CSS, and JavaScript.

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Additional resources for AdvancED DOM Scripting: Dynamic Web Design Techniques

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Method My favorite popular function is $(). org), it will save your fingers a lot of typing. getElementById(). 5 added a much more advanced $() method that adds a number of new methods to the element. $() method only retrieves a regular DOM element. From within your ADS namespace, you can simply use $() without the prefix. It’s a fairly simple idea, but in a large complicated library, the savings will be obvious. $() function you’ve implemented allows you to request more than one element and retrieve an array containing those elements.

The “not sharing” part is where all the magic happens. By “not sharing,” I mean don’t share everything, just what you want to. When writing your scripts, you may often find a need for internal, specialized functions that aren’t necessarily part of the overall script or site, but they would make it much easier to write or maintain. Let’s say you want to create a function in your site called alertNodeName() that will be accessible to everyone. This function will simply alert the nodeName property of an HTML element.

Js file in the root folder of the source code for this book. This is the completed library and includes all the bits of code you’ll be adding, but it also includes comments for each method describing what they do. I recommend you take the time to create this file on your own so that you understand what’s in it—which is the whole point—instead of just copying the supplied version. At the same time, if you’re stuck and need a working version, you can look at the supplied one for comparison. ADS) { window['ADS'] = {} } function isCompatible(other) { }; window['ADS']['isCompatible'] = isCompatible; function $() { }; window['ADS']['$'] = $; function addEvent(node, type, listener) { }; window['ADS']['addEvent'] = addEvent; function removeEvent(node, type, listener) { }; window['ADS']['removeEvent'] = removeEvent; function getElementsByClassName(className, tag, parent){ }; window['ADS']['getElementsByClassName'] = getElementsByClassName; function toggleDisplay(node,value) { }; window['ADS']['toggleDisplay'] = toggleDisplay; function insertAfter(node, referenceNode) { }; window['ADS']['insertAfter'] = insertAfter; function removeChildren(parent) { }; window['ADS']['removeChildren'] = removeChildren; 20 DO IT RIGHT WITH BEST PRACTICES function prependChild(parent, newChild) { }; window['ADS']['prependChild'] = prependChild; })(); This will be the starting point for your common library and includes the function signatures for a few of the favorite reusable JavaScript methods you’ll find on the Web—which we’ll discuss as you add the guts of each of these methods.

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