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<!DOCTYPE html>
<!--[if lt IE 7]> <html class="no-js ie6" lang="en"> <![endif]-->
<!--[if IE 7]> <html class="no-js ie7" lang="en"> <![endif]-->
<!--[if IE 8]> <html class="no-js ie8" lang="en"> <![endif]-->
<!--[if gt IE 8]><!--> <html class="no-js" lang="en"> <!--<![endif]-->
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title>Javascript & jQuery</title>
<meta name="description" content="Javascript & jQuery">
<meta name="author" content="Kevin Gorski">
<meta name="viewport" content="width=1024, user-scalable=no">
<link rel="stylesheet" href="core/deck.core.css">
<link rel="stylesheet" href="extensions/goto/deck.goto.css">
<link rel="stylesheet" href="extensions/menu/deck.menu.css">
<link rel="stylesheet" href="extensions/navigation/deck.navigation.css">
<link rel="stylesheet" href="extensions/status/deck.status.css">
<link rel="stylesheet" href="extensions/hash/deck.hash.css">
<link rel="stylesheet" href="extensions/codemirror/deck.codemirror.css">
<link rel="stylesheet" href="extensions/codemirror/themes/default.css">
<link rel="stylesheet" id="style-theme-link" href="themes/style/swiss.css">
<link rel="stylesheet" id="transition-theme-link" href="themes/transition/horizontal-slide.css">
<link rel="stylesheet" id="custom-theme-link" href="custom.css">
<script src="modernizr.custom.js"></script>
</head>
<body class="deck-container">
<section class="slide" id="title-slide">
<h1>JavaScript & jQuery</h1>
<h2>Made with Deck.js</h2>
<h3>http://imakewebthings.github.com/deck.js/</h3>
</section>
<section class="slide">
<h2>Why JavaScript?</h2>
<h3>JavaScript is becoming ubiquitous</h3>
<ul>
<li class="slide">
<h3>Behavior in documents</h3>
<ul>
<li>HTML</li>
<li>PDF</li>
</ul>
</li>
<li class="slide">
<h3>Document databases speak & write it</h3>
<ul>
<li>JSON</li>
<li>Mongo</li>
<li>CouchDB</li>
</ul>
</li>
<li class="slide"><h3>Node.js</h3></li>
</ul>
</section>
<section class="slide">
<h2>Behavior in the Browser</h2>
<h3>Document Object Model</h3>
<ul>
<li class="slide">Event Handling</li>
<li class="slide">Document Updates
<ul>
<li>Animation</li>
<li><a href="http://letteringjs.com/">Lettering.js</a></li>
<li><a href="http://leaverou.github.com/prefixfree/">-prefix-free</a></li>
</ul>
</li>
<li class="slide">Networking (AJAX, AJAH, AJAJ)</li>
</ul>
</section>
<section class="slide">
<h2>Browser Differences</h2>
<ul>
<li>Syntax</li>
<li>Performance</li>
<li>Implementation</li>
<li>Feature Set</li>
</ul>
</section>
<section class="slide">
<h2>JavaScript Libraries</h2>
<ul>
<li>There are many</li>
<li>jQuery stands out
<ul>
<li>Widely used - 50% of top 10k sites (builtwith.com)</li>
<li>Microsoft endorsed (included with Visual Studio)</li>
<li>Well tested for cross-compatibility & performance</li>
<li>Large library of plug-ins</li>
</ul>
</li>
</ul>
</section>
<section class="slide">
<h2>Getting Started</h2>
<textarea class="code" mode="javascript" style="display: none;" runnable="true">
// Types, but not typed variables
var subject = "world";
var sayHello = function (message) {
console.log("Hello " + message + "!");
}
sayHello(subject);
// Type inference
sayHello('#' + (5 + 1));
</textarea>
</section>
<section class="slide">
<h2>Familiar Ground</h2>
<ul>
<li>if</li>
<li>while</li>
<li>for</li>
<li>switch</li>
<li>try/catch/throw</li>
<li>== vs. ===</li>
</ul>
</section>
<section class="slide">
<h2>Built-in Types</h2>
<ul>
<li>Primitive types - number, string, boolean, null, undefined</li>
<li>Arrays - operate like arrays, lists, queues, stack</li>
<li>Date</li>
<li>RegExp
<textarea class="code" mode="javascript" style="display: none;" runnable="true">
console.log(/(no )?way/.test('way') ? 'righteous' : 'bummer');
</textarea>
</li>
<li>Function</li>
</ul>
</section>
<section class="slide">
<h2>I, Object!</h2>
<textarea class="code" mode="javascript" style="display: none;" runnable="true">
var verbose = new Object();
var terse = {};
// More realistic
var joey = {
name: "Joey",
sayHello: function() {
// What's this?
console.log("My name is " + this.name);
}
};
joey.sayHello();
joey["sayHello"]();
var whoSays = joey.sayHello;
// Here, called without objective context
whoSays();
whoSays.call(joey);
</textarea>
</section>
<section class="slide">
<h2>Constructors</h2>
<ul>
<li>A function called with the "new" keyword that returns an object</li>
<li>Capitalized by convention</li>
</ul>
<textarea class="code" mode="javascript" style="display: none;" runnable="true">
function Person(name) {
this.name = name;
this.sayHello = function() {
console.log("My name is " + this.name);
}
// return of this implied
}
var joey = new Person("Joey");
joey.sayHello();
</textarea>
</section>
<section class="slide">
<h2>Classes</h2>
<ul>
<li class="slide">We don't need no stinking classes</li>
<li class="slide">You can build a "classical" inheritance model if you really want</li>
<li class="slide">But you really don't</li>
</ul>
</section>
<section class="slide">
<h2>Prototypical Inheritance</h2>
<ul>
<li>Every object has a special "prototype" property</li>
<li>Accessing a method or property of an object checks the object first, then the prototype</li>
<li>Because the prototype itself is an object, the chain can be extended</li>
<li>All objects created with the same constructor share a prototype</li>
</ul>
<textarea class="code" mode="javascript" style="display: none;" runnable="true">
function Person(name) {
this.name = name;
}
var joey = new Person("Joey");
Person.prototype.sayHello = function() {
console.log("My name is " + this.name);
}
var bobby = new Person("Bobby Tables");
joey.sayHello();
bobby.sayHello();</textarea>
</section>
<section class="slide">
<h2>More Prototypes</h2>
<textarea class="code" mode="javascript" style="display: none;" runnable="true">
function Person(name) {
this.name = name;
}
Person.prototype.sayHello = function() {
console.log("My name is " + this.name);
}
function Employee(name, position) {
this.position = position;
this.name = name;
}
Employee.prototype = new Person();
Employee.prototype.constuctor = Employee;
Employee.prototype.whatDoYouDo = function() {
console.log("I'm a " + this.position);
}
var homer = new Employee("Homer", "Nuclear Power Engineer");
homer.sayHello();
homer.whatDoYouDo();</textarea>
</section>
<section class="slide">
<h2>The jQuery Function</h2>
<ul>
<li>jQuery() or $()</li>
<li>Behaves differently based on type of input
<ul>
<li>DOM Elements => Wrap in jQuery set</li>
<li>String => Select elements OR create elements from HTML</li>
<li>Function => Register for document.ready</li>
</ul>
</li>
<li>Return value is usually another jQuery set, which enables "method chaining"</li>
</ul>
</section>
<section class="slide" id="jQuerySelectors">
<h2>Selectors</h2>
<ul>
<li>A combination of CSS 3 & XPath for locating DOM elements</li>
</ul>
<textarea class="code" mode="javascript" style="display: none;" runnable="true" globals="$">
console.log('List items: ' + $('#jQuerySelectors li').length);
console.log('Headers & list items: '
+ $('#jQuerySelectors h2, #jQuerySelectors li').length);
console.log('Headers & list items, context: '
+ $('h2, li', '#jQuerySelectors').length);
$('section[id$=Selectors]')
.css('border', 'thin red solid');
$('section[id$=Selectors]').css({
'background': '#CCC',
'color': '#C00'
});</textarea>
</section>
<section class="slide">
<h2>Event Handling</h2>
<button id="ClickDemo">Click Me!</button>
<textarea class="code" mode="javascript" style="display: none;" runnable="true" globals="$">
$('#ClickDemo').click(function() {
alert("clicked!");
});
// Similar API for select lists, hovering elements, key presses
// Live / Delegated events
$('.DynamicClickMe').live('click', function() {
// Any current or future elements that match will have this handler attached
});
</textarea>
</section>
<section class="slide">
<h2>DOM Manipulation</h2>
<ul id="DomManipulation">
</ul>
<textarea class="code" mode="javascript" style="display: none;" runnable="true" globals="$">
$('#DomManipulation').append('<li>item</li>');
// Other positions
// Add/remove/toggle CSS classes
// Add/remove attributes
// Get/set innerHTML, height/width</textarea>
</section>
<section class="slide">
<h2>Animation</h2>
<ul id="Animation">
</ul>
<textarea class="code" mode="javascript" style="display: none;" runnable="true" globals="$">
$('<li>item</li>')
.hide()
.appendTo('#Animation')
.fadeIn('slow');</textarea>
</section>
<section class="slide">
<h2>Building on jQuery</h2>
<ul>
<li>Plug-ins</li>
<li>jQuery UI</li>
<li>jQuery Mobile</li>
</ul>
</section>
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<p class="deck-status">
<span class="deck-status-current"></span>
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</p>
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<label for="goto-slide">Go to slide:</label>
<input type="number" name="slidenum" id="goto-slide">
<input type="submit" value="Go">
</form>
<a href="." title="Permalink to this slide" class="deck-permalink">#</a>
<script src="jquery-1.6.4.min.js"></script>
<!-- Deck Core and extensions -->
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<!-- Syntax highlighting Modes -->
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<!-- Plugin code -->
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<!-- Specific to this page -->
<script>
$(function() {
// Deck initialization
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alert("clicked!");
});
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</body>
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