Sams Teach Yourself JavaScript in 24 Hours

Hour 2. Creating Simple Scripts

What You'll Learn in This Hour: The software tools you will need to create and test scripts Beginning and ending scripts Formatting JavaScript statements How a script can display a result Including a script within a web document Testing a script using browsers Modifying a script Dealing with errors in scripts Moving scripts into separate files

As you learned in Hour 1, "Understanding JavaScript," JavaScript is a scripting language for web pages. You can include JavaScript commands directly in the HTML document, and the script will be executed when the page is viewed in a browser.

During this hour, you will create a simple script, edit it, and test it using a web browser. Along the way you'll learn the basic tasks involved in creating and using scripts.