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42 CHAPTER 2 ■ COMMON JQUERY ACTIONS AND METHODS Figure 2-4. The collapsed element as displayed after hovering over and clicking it Click the tab to expand the element, and you can see the contents, including the appended text, which is contained within the paragraph element (see Figure 2-5).
Figure 2-5. The expanded element, including the dynamically added text CHAPTER 2 ■ COMMON JQUERY ACTIONS AND METHODS You can use this technique throughout the rest of the exercises in this book to see where content and elements are being added to the DOM. Using .append() and .prepend(), you can also add new elements to the DOM. For instance, to add a new paragraph at the top of the browser page, prepend a new element to the body using this code: var para = $("", { "text":"I'm a new paragraph!", "css":{"background":"yellow"} }); $("body").prepend(para); ■ Note This example uses a variable to store the new element before prepending it to the body. This is done to increase the legibility of the script. You’ll be using this technique often throughout this book. 43
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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
Page 8 and 9: vi ■ CONTENTS Understanding jQuer
Page 10 and 11: viii ■ CONTENTS Summary .........
Page 12 and 13: 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: $("p:parent"); [ p, p.foo, p, p#bar
Page 37 and 38: which returns the following in the
Page 39: Selecting Only Enabled or Disabled
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Page 103 and 104: C H A P T E R 3 ■ ■ ■ Object-
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CHAPTER 3 ■ OBJECT-ORIENTED PROGR
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$obj = new MyClass; // Get the valu
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} public function setProperty($newv
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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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