JavaScript Cookbook (2nd Edition) - download pdf or read online

By Shelley Powers

ISBN-10: 1491902450

ISBN-13: 9781491902455

Problem fixing with JavaScript is lots trickier now that its use has accelerated significantly in measurement, scope, and complexity. This cookbook has your again, with recipes for universal initiatives around the JavaScript international, even if you're operating within the browser, the server, or a cellular surroundings. every one recipe comprises reusable code and sensible recommendation for tackling JavaScript gadgets, Node, Ajax, JSON, facts endurance, graphical and media purposes, complicated frameworks, modular JavaScript, APIs, and plenty of similar technologies.

Aimed at those who have a few adventure with JavaScript, the 1st half covers conventional makes use of of JavaScript, besides new rules and stronger performance. the second one half dives into the server, cellular improvement, and a plethora of modern instruments. You'll shop time—and examine extra approximately JavaScript within the process.

Topics include:
Classic JavaScript:
• Arrays, capabilities, and the JavaScript Object
• having access to the consumer interface
• trying out and accessibility
• developing and utilizing JavaScript libraries
• Client-server conversation with Ajax
• wealthy, interactive net effects

JavaScript, All Blown Up:
• New ECMAScript common objects
• utilizing Node at the server
• Modularizing and handling JavaScript
• complicated JavaScript frameworks
• complex client-server communications
• Visualizations and client-server graphics
• cellular program improvement

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Additional resources for JavaScript Cookbook (2nd Edition)

Example text

Side, false); } }; In this example, when the method chooseSide is executed, the side of the ninja is set to be the value passed in. If no value is passed in, the side is set to the current state. isGood = false. When you’ll use it: $pick is yet another shortcut. You can express its basic concept as a simple conditional: function test(var1, var2){ if(var1 == undefined) return var2; else return var1; }; Because $pick lets you pass in numerous arguments, it allows for numerous of these conditionals.

Unlike when you use $extend, you don’t have to worry about linking the objects together, but you pay a performance price for this recursion. Also, unlike $extend, $merge lets you pass it any number of objects. If any two objects contain the same properties (but different values), the last one wins. garb = $merge({ mask: 'red', sash: 'black' }, { sash: 'white' }); //Returns {mask: 'red', sash: 'white'} When $merge encounters properties that are objects, it will execute itself on that property, blending the two properties together as illustrated in the second example in the preceding “Example” section.

These are the “official” MooTools plug-ins, though numerous third-party plug-ins are also available (which I cover in Chapter 12). Elements effect. Morph. Scroll effect. Scroll is used to smoothly scroll any DOM element, including the window. Slide effect. Slide effect moves an element in and out of view kind of like window blinds. A container element crops out the view of the element as it slides in or out. js What it does: Defines the base functionality for dragging items in the browser window.

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JavaScript Cookbook (2nd Edition) by Shelley Powers


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