The user interacts with the scrollbar elements using some method of direct action, the scrollbar translates that action into scrolling commands, and the user receives feedback through a visual updating of both the scrollbar elements and the scrolled content. They are present in a wide range of electronic devices including computers, graphing calculators, mobile phones, and portable media players. It was also known as a handle in the very first GUIs. It offers a solution to the problem of navigation to a known or unknown location within a two-dimensional information space. Examples of horizontal and vertical scrollbars around a text boxĪ scrollbar is an interaction technique or widget in which continuous text, pictures, or any other content can be scrolled in a predetermined direction (up, down, left, or right) on a computer display, window, or viewport so that all of the content can be viewed, even if only a fraction of the content can be seen on a device's screen at one time.
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