Pro JavaScript Design Patterns 2008 phần 5 potx

... FACTORY PATTERN 1 05 7 257 ch07.qxd 11/ 15/ 07 10:38 AM Page 1 05 Interface.ensureImplements(bicycle, Bicycle); return bicycle; }; /* GeneralProductsBicycleShop class. */ var GeneralProductsBicycleShop ... PATTERN 103 7 257 ch07.qxd 11/ 15/ 07 10:38 AM Page 103 The feedProxy.php script used in the XHR request is a proxy that allows fetching data from external domains without running up aga...

Ngày tải lên: 12/08/2014, 23:20

... 11/16/07 1: 05 PM Page xiii f7670b088a34e6aa65a56 857 27db1ff4 Pro JavaScript ™ Design Patterns Copyright © 2008 by Ross Harmes and Dustin Diaz All rights reserved. No part of this work may be reproduced ... }; })(); CHAPTER 1 ■ EXPRESSIVE JAVASCRIPT 7 908Xch01.qxd 11/ 15/ 07 10:31 AM Page 7 Pro JavaScript ™ Design Patterns Ross Harmes and Dustin Diaz 908Xch00FM.qxd 11/1...

Ngày tải lên: 12/08/2014, 23:20

... mentioned in the Gang of Four’s Design Patterns says “Program to an interface, not an implementation,” telling you how funda- mental this concept is. The problem is that JavaScript has no built-in ... useful. In a large project, with many different programmers writing code, interfaces are essential. Often programmers are asked to use an API that hasn’t been written yet, or are asked to...

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... INHERITANCE52 908Xch04a.qxd 11/ 15/ 07 10:34 AM Page 52 // Later in your page, another programmer adds var resetProduct = $('reset-product-button'); var findProduct = $('find-product-button'); ... { CHAPTER 5 ■ THE SINGLETON PATTERN68 1. For more information, go to http://peter.michaux.ca/article /55 3. 908Xch 05. qxd 11/ 15/ 07 10:36 AM Page 68 this.convertToText();...

Ngày tải lên: 12/08/2014, 23:20

... { return new _$(arguments); }; })(); CHAPTER 6 ■ CHAINING 85 7 257 ch06a.qxd 11/ 15/ 07 10:37 AM Page 85 Design Patterns PART 2 ■ ■ ■ 7 257 ch07.qxd 11/ 15/ 07 10:38 AM Page 91 displayResult: function(response) ... 10, publicMethod1: function() { }, CHAPTER 5 ■ THE SINGLETON PATTERN 75 908Xch 05. qxd 11/ 15/ 07 10:36 AM Page 75 Since all objects inherit from their prototype, you c...

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... { for ( var prop in styles ) { if (!styles.hasOwnProperty(prop)) continue; setStyle(el, prop, styles[prop]); } } CHAPTER 10 ■ THE FACADE PATTERN 1 45 908Xch10.qxd 11/ 15/ 07 10 :57 AM Page 1 45 var topGallery ... a collection of poorly designed APIs by wrapping them in a single well-designed API. JavaScript Libraries As Facades JavaScript libraries are built for humans. They’re designed...

Ngày tải lên: 12/08/2014, 23:20

... id="message-pane"></div> </div> </body> </html> CHAPTER 11 ■ THE ADAPTER PATTERN 155 908Xch11FINAL.qxd 11/ 15/ 07 11:01 AM Page 155 new method contains code to start the time, call the component’s method ... systems and legacy frameworks. CHAPTER 11 ■ THE ADAPTER PATTERN 158 908Xch11FINAL.qxd 11/ 15/ 07 11:01 AM Page 158 TimedWarrantyDecorator.prototyp...

Ngày tải lên: 12/08/2014, 23:20

... Protection Proxy The virtual proxy is probably the most useful type of proxy to JavaScript programmers. Let’s briefly go over the other types and explain why they aren’t as applicable to JavaScript. A ... 14 ■ THE PROXY PATTERN206 908Xch14.qxd 11/ 15/ 07 11: 05 AM Page 206 The Proxy Pattern vs. the Decorator Pattern A proxy is similar to a decorator in many ways. Both decorators and virt...

Ngày tải lên: 12/08/2014, 23:20

... independently from other subscribers, and publishers provide for any subscribers who wish to consume. 2 15 CHAPTER 15 ■ ■ ■ 908Xch 15. qxd 11/ 15/ 07 11:06 AM Page 2 15 It can be hard to remember which actor ... instantiate. Benefits of the Proxy Pattern Each type of proxy has a different set of benefits. The remote proxy allows you to treat a remote resource as a local JavaScript obje...

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... 41, 45 49 vs. classical, 49 edit-in-place field using, 55 58 use of, 62 prototype attribute, 46–48 prototype chaining, 42–43, 46–48 prototype method, 137 prototype objects, 45 49, 57 58 proxy ... conventions, 30–32 inheritance, 9, 35 classical, 42– 45, 49, 52 55 , 62 classical vs. prototypal, 49 encapsulation and, 49 50 introduction to, 41 prototypal, 41, 45 49, 55 58 when to use, 41...

Ngày tải lên: 12/08/2014, 23:20