Difference between Window Object and Document Object

    WINDOW OBJECT:     The top most object and the outermost element of the object hierarchy is the Window Object. DOCUMENT OBJECT:      Each HTML, PHP, or other documents that gets loaded into a window becomes a Document Object. WINDOW OBJECT:     The Window Object represents a Window or Tab which contains a DOM Document. DOCUMENT OBJECT:      The Document Object is the property of window object. It points to the DOM Document which is loaded in the Window Object. WINDOW OBJECT:       Some of the Window Object methods are alert( ), clearInterval( ), clearTimeout( ), close( ), confirm( ). DOCUMENT OBJECT:      The Document Object is accessed with "window.document" or just "document". Some of the Document Object methods are createEvent( ), createElement( ), createAttribute( ), addEventListener( ).