Pro JavaScript Design Patterns 2008 phần 7 ppsx

Pro JavaScript Design Patterns 2008 phần 7 ppsx

Pro JavaScript Design Patterns 2008 phần 7 ppsx

... Sep 26 20 07 20:11:02 GMT- 070 0 (PDT) alert(getDateCaps()); // Returns WED SEP 26 20 07 20:11:02 GMT- 070 0 (PDT) CHAPTER 12 ■ THE DECORATOR PATTERN 172 908Xch12.qxd 11/15/ 07 11:02 AM Page 172 This looks ... augment your objects without redefining them. CHAPTER 12 ■ THE DECORATOR PATTERN 177 908Xch12.qxd 11/15/ 07 11:02 AM Page 177 This class is pretty straightforward. It overrides...
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Pro JavaScript Design Patterns 2008 phần 1 docx

Pro JavaScript Design Patterns 2008 phần 1 docx

... 11/16/ 07 1:05 PM Page xiii f7 670 b088a34e6aa65a568 572 7db1ff4 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.qx...
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Pro JavaScript Design Patterns 2008 phần 2 pps

Pro JavaScript Design Patterns 2008 phần 2 pps

... 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 ... you start implementing complex systems using design patterns. It might seem like interfaces reduce JavaScript s flexibility, but they actually improve it by allow- ing your objects t...
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Pro JavaScript Design Patterns 2008 phần 3 docx

Pro JavaScript Design Patterns 2008 phần 3 docx

... 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'); // The findProduct ... new Author('Dustin Diaz', [&apos ;JavaScript Design Patterns& apos;]); author[1] = new Author('Ross Harmes', [&apos ;JavaScript Design Patterns& apos;]); auth...
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Pro JavaScript Design Patterns 2008 phần 4 pptx

Pro JavaScript Design Patterns 2008 phần 4 pptx

... new _$(arguments); }; })(); CHAPTER 6 ■ CHAINING 85 72 57ch06a.qxd 11/15/ 07 10: 37 AM Page 85 Design Patterns PART 2 ■ ■ ■ 72 57ch 07. qxd 11/15/ 07 10:38 AM Page 91 displayResult: function(response) ... Cruiser': default: bicycle = new AcmeComfortCruiser(); } CHAPTER 7 ■ THE FACTORY PATTERN 97 7257ch 07. qxd 11/15/ 07 10:38 AM Page 97 bicycle.assemble(); bicycle.wash(); r...
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Pro JavaScript Design Patterns 2008 phần 5 potx

Pro JavaScript Design Patterns 2008 phần 5 potx

... $('feed-readers') }; CHAPTER 7 ■ THE FACTORY PATTERN 105 72 57ch 07. qxd 11/15/ 07 10:38 AM Page 105 Interface.ensureImplements(bicycle, Bicycle); return bicycle; }; /* GeneralProductsBicycleShop class. */ var GeneralProductsBicycleShop ... { xhr = new QueuedHandler(); } CHAPTER 7 ■ THE FACTORY PATTERN 103 72 57ch 07. qxd 11/15/ 07 10:38 AM Page 103 The feedProxy.php script...
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Pro JavaScript Design Patterns 2008 phần 6 pps

Pro JavaScript Design Patterns 2008 phần 6 pps

... styles) { for ( var prop in styles ) { if (!styles.hasOwnProperty(prop)) continue; setStyle(el, prop, styles[prop]); } } CHAPTER 10 ■ THE FACADE PATTERN 145 908Xch10.qxd 11/15/ 07 10: 57 AM Page 145 var ... 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 to sa...
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Pro JavaScript Design Patterns 2008 phần 8 doc

Pro JavaScript Design Patterns 2008 phần 8 doc

... 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 virtua...
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Pro JavaScript Design Patterns 2008 phần 9 pps

Pro JavaScript Design Patterns 2008 phần 9 pps

... 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 object. This is obviously ... subject. The protection proxy controls which clients can access methods of the real subject. It is impossible to implement in JavaScript and was ignored in this chapter. The remote proxy...
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Pro JavaScript Design Patterns 2008 phần 10 pptx

Pro JavaScript Design Patterns 2008 phần 10 pptx

... with, 70 75 syntax for, 75 through closures, 33–35 private methods, 25, 37, 39, 204 privileged functions, 110 privileged methods, 34, 110 programming styles, 3 protection proxies, 200 prototypal ... 55–58 use of, 62 prototype attribute, 46–48 prototype chaining, 42–43, 46–48 prototype method, 1 37 prototype objects, 45–49, 57 58 proxy objects/pattern access control to real subject by, 1...
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