Đang chuẩn bị liên kết để tải về tài liệu:
Phát triển Javascript - part 2

Tham khảo tài liệu 'phát triển javascript - part 2', công nghệ thông tin, kỹ thuật lập trình phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Contents xi 7.3.3.2 Performance of the super Method 143 7.3.3.3 A super Helper Function 143 7.4 Encapsulation and Information Hiding 145 7.4.1 Private Methods 145 7.4.2 Private Members and Privileged Methods 147 7.4.3 Functional Inheritance 148 7.4.3.1 Extending Objects 149 7.5 Object Composition and Mixins 150 7.5.1 The Object.create Method 151 7.5.2 The tddjs.extendMethod 153 7.5.3 Mixins 157 7.6 Summary 158 8. ECMAScript 5th Edition 159 8.1 The Close Future of JavaScript 159 8.2 Updates to the Object Model 161 8.2.1 Property Attributes 161 8.2.2 Prototypal Inheritance 164 8.2.3 Getters and Setters 166 8.2.4 Making Use of Property Attributes 167 8.2.5 Reserved Keywords as Property Identifiers 170 8.3 Strict Mode 171 8.3.1 Enabling Strict Mode 171 8.3.2 Strict Mode Changes 172 8.3.2.1 No Implicit Globals 172 8.3.2.2 Functions 172 8.3.2.3 Objects Properties and Variables 174 8.3.2.4 Additional Restrictions 174 8.4 Various Additions and Improvements 174 8.4.1 Native JSON 175 8.4.2 Function.prototype.bind 175 8.4.3 Array Extras 175 8.5 Summary 176 9. Unobtrusive JavaScript 177 9.1 The Goal of Unobtrusive JavaScript 177 9.2 The Rules of Unobtrusive JavaScript 178 9.2.1 An Obtrusive Tabbed Panel 179 9.2.2 Clean Tabbed Panel Markup 181 9.2.3 TDD and Progressive Enhancement 182 9.3 Do Not Make Assumptions 183 9.3.1 Don t Assume You Are Alone 183 9.3.1.1 How to Avoid 183 Download from www.eBookTM.com xii Contents 9.3.2 Don t Assume Markup Is Correct 183 9.3.2.1 How to Avoid 184 9.3.3 Don t Assume All Users Are Created Equal 184 9.3.3.1 Howto Avoid 184 9.3.4 Don t Assume Support 184 9.4 When Do the Rules Apply 184 9.5 Unobtrusive Tabbed Panel Example 185 9.5.1 Setting Up the Test 186 9.5.2 The tabcontroller Object 187 9.5.3 The activateTab Method 190 9.5.4 Using the Tab Controller 192 9.6 Summary 196 10. Feature Detection 197 10.1 Browser Sniffing 198 10.1.1 User Agent Sniffing 198 10.1.2 Object Detection 199 10.1.3 The State of Browser Sniffing 200 10.2 Using Object .