LPI Web Development Essentials Study Guide: Exam 030–100: Sybex Study Guide

ABOUT THE AUTHOR
Audrey O'Shea currently teaches electronics and information technology at a technical school in upstate New York. She has been working and educating in IT since 1989 and her career has included positions of network administrator, tech support specialist, trainer and consultant.

Introduction xvii Assessment Test xxiii Chapter 1 Web Development Basics 1 Developer Types 2 Creating Software 3 Text Editors and IDEs 6 Compiled Languages 7 Interpreted Languages 8 Programming Paradigms 8 Maintaining Software 11 Version Control Systems 11 Software Testing 12 Summary 12 Exam Essentials 13 Review Questions 17 Chapter 2 Client/Server Computing 21 Client-Side 23 Types of Clients 24 Web Browsers 26 Server- Side 28 Types of Servers 28 Popular Server Software 29 Popular Web Page-Creating Software 29 Summary 31 Exam Essentials 31 Review Questions 34 Chapter 3 Database Management Systems 39 Database Structures and Languages 40 Database Structures 40 Database Languages 43 Relational Database Concepts 44 Content Maintenance and Delivery 45 Summary 47 Exam Essentials 47 Review Questions 51 Chapter 4 Client/Server Communication 55 HTTP 56 HTTP Client-Side 57 HTTP Server-Side 60 WebSocket API 61 Caches and Cookies 62 HTTP Security Concerns 63 Summary 63 Exam Essentials 64 Review Questions 66 Chapter 5 HTML Introduction 71 What Is HTML? 73 The HTML Skeleton 73 HTML Syntax 75 HTML Head 79 Summary 81 Exam Essentials 81 Review Questions 86 Chapter 6 Content Markup 91 The Basics 92 Block and Inline Elements 93 Block Elements 93 Inline Elements 95 Hierarchical Structure 96 Lists 97 Styles 100 Semantic and Non-Semantic Elements 100 Non-Semantic Elements 100 Semantic Structural Elements 100 Summary 101 Exam Essentials 101 Review Questions 111 Chapter 7 References and Embedded Resources 115 Page Anchors 116 External Resource Links 117 Using Images 118 The img Tag and Its Attributes 119 Inline or Background Images 120 Image Maps 122 File Formats 124 The Tag 125 Summary 126 Exam Essentials 126 Review Questions 131 Chapter 8 Creating HTML Forms 135 Anatomy of an Input Form 136 Commonly Used Attributes 137 Button Types 142 Adding Functionality 143 Radio Buttons and Check Boxes 145 A Form for Reviews 146 Summary 146 Exam Essentials 147 Review Questions 154 Chapter 9 Introducing CSS 159 Applying Styles to HTML 160 The style Attribute 160 CSS Rules and Selectors 161 The Tag 162 CSS Stored in Separate Files 164 CSS Accessibility Features 165 Summary 166 Exam Essentials 166 Review Questions 171 Chapter 10 Applying CSS Styles 175 Other Selectors 176 CSS Inheritance 180 CSS Pseudo- Classes 181 CSS Order of Precedence 182 Summary 183 Exam Essentials 183 Review Questions 188 Chapter 11 CSS Styling Fundamentals 193 Units of Measure 194 Absolute Units 194 Relative Units 195 Common Properties 196 Color 197 Background 198 Borders 200 Font 201 Text 202 List Style 204 Line Height 206 Summary 208 Exam Essentials 209 Review Questions 213 Chapter 12 CSS Layout and Box Model 217 The CSS Box Model 218 CSS Box Model Parts 219 Element Dimensions 219 CSS Website Layout 221 Elements and Their Positions 221 Text Flow 221 Document Flow 222 Other Layout Features 224 Summary 226 Exam Essentials 227 Review Questions 233 Chapter 13 JavaScript Essentials 237 JavaScript Statements and Syntax 238 Adding Comments 240 Inserting JavaScript into HTML 241 JavaScript as an External File 242 The JavaScript Console 244 Summary 245 Exam Essentials 246 Review Questions 249 Chapter 14 JavaScript Data 253 Variables, Constants, and Scope 254 Variables 254 Constants 255 Scope 255 Objects and Methods 256 Data Types 258 Primitive Types 258 Arrays 259 Strings 260 Operators and Precedence 261 Data Conversions 263 Summary 264 Exam Essentials 265 Review Questions 269 Chapter 15 Functions and Control Structures 273 Functions 274 Function Syntax 274 Starting and Stopping Functions 275 Functions and Variables 276 Conditional Statements 276 Comparison Operators 280 Data Coercion 280 Truthy and Falsy Values 281 Summary 281 Exam Essentials 281 Review Questions 285 Chapter 16 The DOM 291 DOM Structure 292 DOM Methods and Properties 296 Adding and Deleting Classes and Attributes 296 Retrieving and Setting Values 297 Changing CSS Styling Using the DOM 299 DOM Events 300 Summary 301 Exam Essentials 301 Review Questions 305 Chapter 17 NodeJS Basics 309 What Is Node.js? 310 Installing Node.js 311 Installing a Node.js Module 312 Running a Node.js App 313 Summary 313 Exam Essentials 314 Review Questions 317 Chapter 18 NodeJS Express 321 Node.js vs. Node.js Express 322 Installing Express 322 Routing and Serving Files 325 User Input and Validation 327 Templates 331 Template Engines 331 HTML Templates 331 Security Concerns 333 Cross-Site Scripting 333 Cross-Site Request Forgery 333 Summary 333 Exam Essentials 333 Review Questions 337 Chapter 19 Manipulating SQLite with NodeJS 341 Installing the SQLite Module 342 Creating a SQLite Database 342 Opening and Closing the Database 343 In Terminal 343 In NodeJS 344 Managing SQLite Data with NodeJS 345 Entering Data 346 Changing Data 346 Running Queries 347 Security Concerns 349 Summary 349 Exam Essentials 350 Review Questions 356 Appendix Answers to Review Questions 361 Chapter 1: Web Development Basics 362 Chapter 2: Client/Server Computing 363 Chapter 3: Database Management Systems 365 Chapter 4: Client/Server Communication 367 Chapter 5: HTML Introduction 369 Chapter 6: Content Markup 370 Chapter 7: References and Embedded Resources 372 Chapter 8: Creating HTML Forms 373 Chapter 9: Introducing CSS 375 Chapter 10: Applying CSS Styles 376 Chapter 11: CSS Styling Fundamentals 378 Chapter 12: CSS Layout and Box Model 380 Chapter 13: JavaScript Essentials 381 Chapter 14: JavaScript Data 383 Chapter 15: Functions and Control Structures 384 Chapter 16: The DOM 386 Chapter 17: NodeJS Basics 388 Chapter 18: NodeJS Express 389 Chapter 19: Manipulating SQLite with NodeJS 391 Index 395