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48 CHAPTER 2 ■ COMMON JQUERY ACTIONS AND METHODS Figure 2-10. Use a callback function to conditionally wrap certain elements .unwrap() The inverse of .wrap(), .unwrap() will remove tags that surround a given element. It does not accept any arguments; it simply finds the immediate parent element and removes it. To unwrap the span elements in the example file, execute this code: $("span").unwrap(); This removes the parent elements (but leaves the text nodes intact), which alters the layout (see Figure 2-11).
Figure 2-11. After unwrapping the span elements, the document layout changes .wrapAll() CHAPTER 2 ■ COMMON JQUERY ACTIONS AND METHODS If an entire set of elements needs to be wrapped in a new tag, .wrapAll() is used. Instead of individually wrapping each selected element with a new tag, it groups all selected elements and creates one wrapper around the whole group. To wrap a div element with a yellow background around all paragraphs on the page, use the following code: var div = $("", { "css":{"background-color":"yellow"} }); $("p").wrapAll(div); After executing this code, the new div is in place, and all paragraphs appear within its yellow background (see Figure 2-12). 49
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THE EXPERT’S VOICE ® IN OPEN SOU
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ii Pro PHP and jQuery Copyright ©
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iv Contents at a Glance ■About th
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vi ■ CONTENTS Understanding jQuer
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viii ■ CONTENTS Summary .........
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x ■ CONTENTS ■Chapter 9: Perfor
Page 14 and 15: xii About the Author ■ Jason Leng
Page 16 and 17: xiv Acknowledgments I feel like I s
Page 19 and 20: C H A P T E R 1 ■ ■ ■ Introdu
Page 21 and 22: CHAPTER 1 ■ INTRODUCING JQUERY Th
Page 23 and 24: SETTING UP A LOCAL TESTING ENVIRONM
Page 25 and 26: google.load("jquery", "1.4.2");
Page 27 and 28: Basic Selectors CHAPTER 1 ■ INTRO
Page 29 and 30: Only one paragraph in our document
Page 31 and 32: $(".foo+p"); CHAPTER 1 ■ INTRODUC
Page 33 and 34: $("p:odd"); [ p.foo, p#bar ] Select
Page 35 and 36: $("p:parent"); [ p, p.foo, p, p#bar
Page 37 and 38: which returns the following in the
Page 39: Selecting Only Enabled or Disabled
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Page 103 and 104: C H A P T E R 3 ■ ■ ■ Object-
Page 105 and 106: $obj = new MyClass; var_dump($obj);
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Page 111 and 112: $obj = new MyClass; // Get the valu
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CHAPTER 3 ■ OBJECT-ORIENTED PROGR
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} } return $this->getProperty(); pu
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Create a new object $newobj = new M
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} } // Create a new object $newobj
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Private Properties and Methods CHAP
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} public function __construct() { e
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*/ CHAPTER 3 ■ OBJECT-ORIENTED PR
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Ease of Implementation CHAPTER 3
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C H A P T E R 4 ■ ■ ■ Build a
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CHAPTER 4 ■ BUILD AN EVENTS CALEN
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# # DocumentRoot: The directory out
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CHAPTER 4 ■ BUILD AN EVENTS CALEN
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} ?> } } } CHAPTER 4 ■ BUILD AN E
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■ Note For the sake of brevity, D
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} ?> CHAPTER 4 ■ BUILD AN EVENTS
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} ?> } include_once $filename; CHAP
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private $_startDay; public function
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138 CHAPTER 4 ■ BUILD AN EVENTS C
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168 CHAPTER 5 ■ ADD CONTROLS TO C
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200 CHAPTER 6 ■ PASSWORD PROTECTI
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P A R T 3 ■ ■ ■ Combining jQu
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236 CHAPTER 7 ■ ENHANCING THE USE
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264 CHAPTER 8 ■ EDITING THE CALEN
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P A R T 4 ■ ■ ■ Advancing jQu
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312 CHAPTER 9 ■ PERFORMING FORM V
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C H A P T E R 10 ■ ■ ■ Extend
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$.validDate = function(date, option
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Modifying the Initialization Script
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Adding Methods to jQuery CHAPTER 10
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over, then returns it to its origin
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CHAPTER 10■ EXTENDING JQUERY ■
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Defines default values for the plug
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}); // Loads the event data from th
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■ ■ ■ Index ■ Special Chara
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■ C Calendar app JavaScript initi
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saving new calendar events in addin
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:eq( ) method, 17, 20, 26-27 equals
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eginning of string, 324 character c
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asic selectors in by class name, 12
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.die( ) method, 75-76 .error( ) met
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.parents( ) method, 33 .parentsUnti
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overview, 328 regex pattern to vali
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