jQuery Essentials

Cover
Copyright
Credits
About the Author
About the Reviewers
www.PacktPub.com
Table of Contents
Preface
Chapter 1: jQuery Part by Part
	Life before jQuery
	Why was jQuery created?
	The major components of jQuery
		The DOM selection
		DOM manipulation
		Events
		Form
		CSS and animation
		Ajax
		Helpers
	Why are there two maintained versions of jQuery?
	The difference between minified and un-minified versions
	What is a content delivery network?
	Summary
Chapter 2: jQuery Selectors and Filters
	jQuery selectors
		The chapter code
		Protocol-relative URLs
		The jQuery object
	Creating selectors
		ID selectors
		Class selectors
		Tag selectors
		Combining selectors
		Descendent selectors
		Attribute selectors
	Creating basic filter selectors
		Content filters
	Using chaining to quickly and neatly continue queries
	Summary
Chapter 3: Manipulating the DOM
	Dimensions and positions
		Examples
		Developer tools
		Reading the size of the screen and elements
	Classes and styles
		The JSON object
		Behavior classes
	Attributes and properties
		Keeping images proportional
		Removing attributes and properties
	Summary
Chapter 4: Events
	The ready event
	Hooking events
	Unhooking events
	Namespacing events
		The event handler
		The event object
			event.target
			event.relatedTarget
			event.type
			event.which
			event.metaKey
			event.pageX and event.pageY
			event.originalEvent
	Passing data to an event
	Event shorthand methods
	Creating your own events
	Triggering events
	The death of the .live() and .die() methods
	Looking deeper at .on()
	Summary
Chapter 5: Making your site snazzy 
with jQuery
	The importance of animations
	Hiding and showing elements
		.fadeOut()
		.fadeIn()
		.fadeToggle()
	Sliding elements around
		.slideUp()
		.slideDown()
		.slideToggle()
	Creating custom effects
		.animate()
		.delay()
		.queue(), .dequeue(), and .clearQueue()
		.stop() and .finish()
		jQuery.fx.interval and jQuery.fx.off
	Using effects correctly
	Summary
Chapter 6: Better Forms with jQuery
	Employing form methods
		.submit()
		.focus()
		.blur()
		.focusin() and  .focusout()
		.change()
		.select()
	Tooltips
	Placeholder
	Enabling and disabling elements
	Validation
	Filtering out unwanted characters
	Summary
Chapter 7: Talking to your Server
	Before jQuery
	How jQuery helps us
		Loading HTML – .load()
		Loading JSON Data – .getJSON()
	Loading and executing JavaScript – getScript()
		Reading and writing data: jQuery.get() and .jQuery.post()
	Helper methods
		Creating query data – $.param()
		Creating query data from a form – .serialize()
		Creating an object from form data – .serializeArray()
	Ajax events
		When an Ajax request begins – .ajaxStart()
		When an Ajax request completes – .ajaxStop()
		When an Ajax request sends data – .ajaxSend()
		When an Ajax request fails – .ajaxError()
		When an Ajax request succeeds – .ajaxSuccess()
		When an Ajax request finishes – .ajaxComplete()
	Summary
Chapter 8: Writing Code that You can Read Later
	Separation of concerns
	Breaking code into logical units
	Using events to decouple code
	Using unit tests
		Why write unit tests at all?
	Summary
Chapter 9: Faster jQuery
	Writing performance tests
		Measuring jQuery
	jQuery selectors
		Using IDs over other selectors
		Caching your selectors
		Optimizing selectors
			Right to left
			Reducing overly specific selectors
			Narrowing your search
		Other jQuery optimizations
			Updating to the latest version
			Using the correct version of jQuery
			Don't use deprecated methods
			Using preventDefault() when appropriate
			Never modify the DOM in a loop
	jQuery isn't always the answer
		Using document.getElementById
		Using CSS
	Summary
Chapter 10: Benefiting from the Work of Others with Plugins
	Finding plugins
	Installing plugins
		Updating a plugin
		Uninstalling plugins
		Adding a plugin
	jQuery UI
		jQuery UI Interactions
		jQuery UI widgets
		The jQuery UI widget factory
		Writing your own plugin
			Prep work
			The plugin
			Best practices
	Summary
Index