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    The Javascript Adventure
    The Javascript Adventure
    The Javascript Adventure
    Ebook151 pages2 hours

    The Javascript Adventure

    By Ron Sims II

    ()

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    About this ebook

    The Javascript Adventure teaches people how to write code by building a simple text-based adventure game. The first few chapters are designed for the absolute beginner that has little to no knowledge of programming. From the first line written, each bit of code can be used to build a part of the game. This book teaches by example and purposefully focuses on helping the reader accomplish bite-sized tasks to build confidence. The reader will be able to write some code literally within minutes of reading the first chapter!
    LanguageEnglish
    PublisherLulu.com
    Release dateJun 16, 2015
    ISBN9781329219939
    The Javascript Adventure

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      Book preview

      The Javascript Adventure - Ron Sims II

      The Javascript Adventure

      The Javascript Adventure

      Learn to Code by Building a Text-based Adventure Game

      Ron Sims II

      2015

      The Javascript Adventure

      Learn to Code by Building a Text-based Adventure Game

      Published by the author Ron Sims II 2015

      First published by the author June 2015

      Copyright © 2015 Ron Sims II

      ISBN 978-1-329-21993-9

      All rights reserved. Only the source Javascript code and sample Javascript code examples found in this publication may be reproduced. No other parts of this publication may be reproduced in any format without the prior written permission of the author and publisher.

      For information related to educational and institutional sales please contact :

      ron@orangemantis.net

      216.365.8223

      Source code for the examples in this book are available at:

      https://github.com/orangemantis/gamekit/archive/master.zip

      © 2012 Google Inc. All rights reserved. Google and the Google Logo are registered trademarks of Google Inc.

      © 2012 Google Inc. All rights reserved. Chrome™ browser is a trademark of Google Inc.

      Throughout this publication trademarked logos, names, marks and images appear in an editorial capacity. The author and publisher are not associated with any of the respective parties that hold a claim to any of these trademarks.

      While much effort has been made to present the information as correctly as possible in this publication, the author and publisher of this book assume no responsibility and provide no warranty for errors, omissions or any damage that may result from the use of information contained in this publication.

      Introduction

      This book was created to help people get started writing computer code. Every attempt was made to keep things as simple as possible.  To do this, many concepts are not covered because frankly they make things way too complicated. This is not a guide to teach all things programming.  It is just a book that helps people get started.

      The concepts in this book are taught by showing you how to build a game.  Just about every line you write will contribute to creating a simple text-based adventure game.  All you will need to get started is a computer with Google's Chrome browser, a text editor, an internet connection (to download the starter materials) and a bit of imagination.

      Chapters 1-6 of this book are designed with the beginner in mind.  These sections teach the reader how to write game code from scratch.  The examples found in the first six chapters introduce the Javascript language and many key programming concepts.

      Chapters 7-8 are for intermediate learners that have mastered the concepts introduced in the first part of the book. This part of the book breaks down how the included sample game works.

      A Note on Format

      The section below explains the text format of this book.

      New technical terms, important concepts and things to remember are in bold.

      Technical terms and important concepts are italicized.

      Code appears in this font.

      New code that you must add is in this font and bold!

      This is really all you need to know to get started. If you have a question, feel free to send me a tweet @mantisorange. Keep reading and within minutes you will have written your first program!

      Chapter 1: Hello World, Everybody's First Program

      Computer programming is not hard, it just takes time.  Don't worry, it will be fun (most of the time).  Enough talk, let’s get busy coding. All you need to start is a modern web browser and a basic text editor. Fortunately, most computers already have both of these installed.

      Note: For Windows we recommend using the Notepad++ text editor.  For Mac we recommend the Text Wrangler editor. Google's Chrome is recommended for both platforms.

      Let’s write your first program.

      1. Open your browser and navigate to google.com (type http://google.com in the address bar and press enter).

      2. Right click on the page and select Inspect element from the context menu.

      The browser window should now be split.  One part of the screen should still show the Google page and the other should have a bunch of technical options like: Network, Console, Elements and so on. This is the inspector.  The inspector is the main tool in the browser used for programming.

      3. In the Inspector look for a tab labeled Console and click on it.  The console is where you make the programming magic happen.

      4. Typically somewhere in the console you will see >. This is called the console prompt, or prompt for short.

      In computerese (the strange technical vocabulary of programming) the console is where you type commands, things you want the computers to do.

      5. Type this at the prompt and hit enter:

      alert(Hello World);

      If you typed everything correctly, a window should have popped up that said Hello World.

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