Netscape Navigator

When you create scripts for both Internet Explorer version 4.0 and Netscape Navigator version 3.0, you will encounter differences in object models and case sensitivity. Like IE 4.0, Navigator has an object model. In fact, the two object models share many of the same base objects, including Window and Document; but the Netscape objects might have only a subset of the properties and methods found in IE 4.0.

Case sensitivity for object names in Internet Explorer is not a major concern when you use VBScript as your scripting language. However, Netscape Navigator and JavaScript are both case sensitive. This means that if you address the Window object in JavaScript, Navigator expects the W to be lowercase. Window with a capital W is not understood by Navigator. This book follows the convention that major words in objects are initial capped (e.g., Window, Document, Frames) because the text is more readable, but you can use all lowercase if you prefer.