Other New Features

Navigator 4.0 will also support several other new features:

• In Navigator 4.0, the data-tainting security model may be enabled by default. If so, this will substantially relax many of the security hobbles described in JavaScript Security. These hobbles will be replaced, to some extent, with a suite of new user confirmation dialogs that will appear when JavaScript detects a possible security violation. Some existing scripts may have to be rewritten to avoid posting these dialogs when they are not strictly necessary.
• Navigator 4.0 will provide methods that allow JavaScript programs to query the current browser window size, the screen resolution, and screen color depth. These new methods will presumably be implemented as part of the Navigator object.
• Navigator 4.0 will include a working Anchor object, and the anchors in a document will finally be available through the anchors[] array of the Document object. Because of the absolute positioning changes described above, properties of the anchor object will include their x and y coordinates within the document.
• Navigator 4.0 will provide support for embedded objects with the <OBJECT> tag. It is not clear what the overlap between this tag and the <EMBED> tag will be nor in what way the <OBJECT> tag will be accessible to JavaScript programs.