Writing Computer Code

Introduction 1 About This Book 1 About You 2 About The Icons 3 The First Step 4 Project 1: Becoming a Programmer 5 What Is Programming? 5 How can you talk to computers? 10 What languages will you learn? 14 Gathering Your Tools 18 Getting your browser ready 18 Working with JSFiddle 19 Sharing Your Fiddle 27 Summary 28 Project 2: Gathering the Parts to Build Your Robot 2 9 Saying What You Mean 30 Making a statement 31 Following the rules 33 Giving and Receiving Data 34 Knowing Your Operands and?@Operators 39 Introducing the Super-Calculator 40 Forking the Super-Calculator 41 Using the Super-Calculator 42 Super-calculating with text 44 Summary 47 Project 3: Building Your Robot\'s Body 48 Writing HTML 48 Seeing what text looks like without HTML 49 Using HTML: It\'s all about the tags 50 Nesting HTML tags 52 Writing your first HTML document 54 Knowing your HTML elements 56 Introducing Douglas the Robot 58 Changing HTML Using JavaScript 4 Summary 66 Project 4: Giving Your Robot Style 67 Giving Douglas Style 68 Getting the Basics of CSS 69 CSS selectors 70 CSS declarations 74 CSS properties 76 Colorizing Douglas 78 Using CSS colors 78 Changing colors 81 Customizing Your Own Robot 84 Summary 85 Project 5: Animating Your Robot 87 Changing CSS with JavaScript 87 Modifying Douglas with JavaScript 89 Experimenting with Douglas 92 Making Douglas Dance 94 Creating Animations with JavaScript 97 Animating another element 100 Using a second animation function 100 Summary 104 Project 6: Creating a JavaScript Word Game 105 Creating a Variable Story 105 Creating the Word Replacement Game 106 Writing the HTML 108 Styling the Word Game 111 Writing the JavaScript Code 114 Finishing the Program 117