Special Edition Using Microsoft® Expression® Web

Chapter 24. Client-side Scripting

<feature><title>In this chapter</title>

• A History of Browser Scripting

• JavaScript Basics

• The Document Object Model

• Writing Simple Scripts

• Troubleshooting

• Lagniappe: Debugging

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A History of Browser Scripting

Early Web sites consisted of many of the same Web page elements we use today: forms, images, hyperlinks, and static text. They also consisted of small applications called applets that ran inside the Web page and were written in a new programming language called Java. In 1995, Netscape Communications added Java support to its flagship product, Netscape Navigator. However, Netscape was painfully aware that many Web site developers were not Java developers, so it needed to find a way to allow non-Java developers ...