JavaScript: A Beginner's Guide, Fourth Edition, 4th Edition

Chapter 2

Placing JavaScript in an HTML File

Key Skills & Concepts

•    Using the HTML Script Tags

•    Creating Your First Script

•    Using External JavaScript Files

•    Using JavaScript Comments

Now that you have been introduced to JavaScript, you’re ready to start coding. Since JavaScript code is run from HTML documents, you need to know how to tell browsers to run your scripts. The most common way to set off a script is to use the HTML <script> and </script> tags in your document. You can place your script tags in either the head or the body section of an HTML document.

This chapter first shows you how to use the script tags to begin and ...