You can create multiple windows in a Navigator JavaScript application. Frame objects have the same properties and methods as window objects and differ only in the way they are displayed. Displays an Alert dialog box with a message. Displays a Confirm dialog box with OK and Cancel buttons. Displays a Prompt dialog box with a text field for entering a value.
Removes focus from, or gives focus to a window.
Scrolls a window to a specified coordinate. Evaluates an expression or calls a function each time the specified period elapses. Evaluates an expression or calls a function once after the specified period elapses. This book does not describe the full set of methods and properties of the window object. For the complete list, see the JavaScript Reference .