javascript

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■ INDEX 464 creating, 217 querying local variables saved to a closure, 217 coding cascade style, 264 Coffee() constructor, 151 COM objects, 256 comma (,) operator, 93, 126 comments, examples of commenting code, 2 commonly scripted nodes, table of, 259 compound statements, 97 concat(), 25–27, 235–236 concatenation operator, 3 conditional advance loading console.dir(), 192 console.log(), 189 definition of, 185, 351 extend(), 185, 190–192 load-time branching, 185 new ECMAScript 5 static methods, list of, 185 Object.create(), 188 Object.defineProperties(), 187 Object.defineProperty(), 186–187 setting a function’s value according to a feature’s availability, 185 toString(), 189 when to use, 195 See also conditional statements conditional statements blocks and child statements, 97 boolean expressions, 97 compound statements, 97 definition of, 97 dynamic nature of, 97 if statement, 98 namePirate() code example, 129 replacing conditionals with an object or array query, 129 switch statement, 107 techniques for making conditionals run faster, 129 See also conditional advance loading; looping statements configuration objects, passing, 222 console.dir(), 147, 168, 192 console.log(), 189 constructors, 25, 54 Chocolate() constructor, 152 Coffee() constructor, 151 console.dir(), 147 creating objects with a constructor, 145 definition of, 146 duplicating a constructor, 169 invoking a constructor with new, 146 MintChocolateChunk() constructor, 154 naming, 146 prototype object, 146 this private variable, 146 VanillaBean() constructor, 149 wildMaineBlueberry object, 146 WildMaineBlueberry(), 147–148 See also functions; objects container.gif, 351 continue statement, 118 controlling JavaScript’s flow, 97 cookies decodeURIComponent(), 402 document.cookie, 401, 405 getCookie(), 401–403 giving JavaScript a memory, 401 indexOf(), 401–402 prepSkinKeys(), 404 presetSkin(), 403–404, 406 substring(), 402 swapSkinByKey(), 404–405 ten.html, 406 ten.js, 401 user’s preferences, getting, 401 user’s preferences, setting, 404 user’s skin preference, setting, 403 writing and reading cookies, 401 createElem(), 294–295, 422, 428, 433, 437, 443 createXHR(), 423–425 CSS @ directives, 322 adding or deleting rules, 327 addRule(), 329, 340 addSheet(), 340–343 appendChild(), 340
ackground-position property, 312 className, 318–319 CSS2Properties, 309–310, 316–317, 325 cssFloat, 309 CSSImportRule, 327 CSSRule, 308 CSSRuleList, 321, 329 cssRules, 321 CSSStyleDeclaration, 281–282, 284, 308–310, 316, 325, 334–336 CSSStyleRule, 308, 327 CSSStyleSheet, 320–321, 329, 338 cssText, 309, 316–318, 326 currentStyle, 336 declarations, 308 deleteRule(), 332–333 deleting a rule from a style sheet, 332 document.styleSheets, 321 DOM interfaces for querying CSS, 307 eight.css, code listing, 311 eight.html, code listing, 310 ElementCSSInlineStyle.style, 310, 313, 315 embedding a style sheet, 344 embedSheet(), 344 enabling and disabling style sheets, 338 findIndex(), 327–328, 332 findRule(), 323–324, 326–327 getComputedStyle(), 335–336 getPropertyValue(), 309 @import, 322, 326–327, 340, 343 including or importing style sheets, 339 inserting a rule into a style sheet, 328 insertRule(), 328–333, 340 manually finding a rule by its selector, 323 ownerNode, 321 owningElement, 321 @page, 322 parseInt(), 336 queryCascade(), 336 querying a style attribute, 313 querying a style sheet, 321 querying the declarations in a rule, 310 querying the overall styles from the CSS cascade, 334 removeChild(), 341–343 removeRule(), 332 rules, 308, 321 scripting imported style sheets, 326 scripting rules, 320 selectors, 308 selectorText, 308 setProperty(), 309 sprites, 312 style attribute, 310 styleFloat, 309 StyleSheet, 320 StyleSheetList, 321 swapClass(), 319 toggleSheet(), 339 curly braces, 21, 217 using in an if statement, 101 currentStyle property, 362 currentStyle.backgroundPosition, 365 currying Curry, Haskell, 208 definition of, 208 ■ D declarations, 308 decodeURIComponent(), 402 decrement (--) operator, 66 default case clause, 107 delete operator, 12, 94, 155 deleteRule(), 332–333 detachEvent(), 353, 380 disruptive statements, definition of, 97 dividers, 39 do while loop spices code example, 122 syntax of, 122 techniques for running faster, 143 See also conditional statements; looping statements Document interface, 257, 289 Document node, 256, 259, 348 document.cookie, 401, 405 Document.createElement(), 289 Document.createTextNode(), 289 ■ INDEX 465
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THE EXPERT’S VOICE ® IN WEB DEVE
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ii JavaScript for Absolute Beginner
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iv Contents at a Glance ■Contents
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■ CONTENTS vi ■Chapter 2: Type
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■ CONTENTS viii Sharing a Prototy
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■ CONTENTS x Querying Attributes
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■ CONTENTS xii Getting the User
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■ CONTENTS xiv About the Technica
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■ PREFACE xvi Preface In the 2005
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■ PREFACE xviii Opening Firebug L
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■ PREFACE xx Now press Return on
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■ PREFACE xxii editor reappear. N
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■ PREFACE xxiv
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CHAPTER 1 ■ REPRESENTING DATA WIT
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CHAPTER 2 ■ TYPE CONVERSION 26 Fi
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CHAPTER 2 ■ TYPE CONVERSION 30 St
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CHAPTER 2 ■ TYPE CONVERSION 50 Co
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CHAPTER 2 ■ TYPE CONVERSION 54 To
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CHAPTER 3 ■ OPERATORS 58 Remember
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CHAPTER 3 ■ OPERATORS 60 Using Ja
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CHAPTER 3 ■ OPERATORS 62 dough.po
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CHAPTER 3 ■ OPERATORS 64 mincedLe
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CHAPTER 3 ■ OPERATORS 66 Figure 3
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CHAPTER 3 ■ OPERATORS 68 // 1.25
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CHAPTER 3 ■ OPERATORS 72 The impo
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CHAPTER 3 ■ OPERATORS 78 saigonCi
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CHAPTER 3 ■ OPERATORS 82 loganber
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CHAPTER 3 ■ OPERATORS 94 fridge.y
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CHAPTER 3 ■ OPERATORS 96
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CHAPTER 4 ■ CONTROLLING FLOW 98 s
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CHAPTER 4 ■ CONTROLLING FLOW 100
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CHAPTER 5 ■ MEMBER INHERITANCE 14
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CHAPTER 6 ■ FUNCTIONS AND ARRAYS
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CHAPTER 7 ■ TRAVERSING AND MODIFY
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CHAPTER 8 ■ SCRIPTING CSS 308 Rem
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CHAPTER 8 ■ SCRIPTING CSS 310 var
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CHAPTER 8 ■ SCRIPTING CSS 312 tex
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CHAPTER 8 ■ SCRIPTING CSS 314 Fig
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CHAPTER 8 ■ SCRIPTING CSS 336 Why
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CHAPTER 8 ■ SCRIPTING CSS 340 Ref
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CHAPTER 8 ■ SCRIPTING CSS 346
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CHAPTER 9 ■ LISTENING FOR EVENTS
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