A slider or track bar is a
graphical control element with which a user may set a value by moving an indicator, usually horizontally. In some cases user may also click on a point on the slider to change the setting. It is different from a
scrollbar in that it is not continuous but used to adjust a value without changing the format of the display or the other information on the screen.
Its most popular use is for viewing and jumping to a playback position in
media player software
Media player software is a type of application software for playing multimedia computer files like audio and video files. Media players commonly display standard media control icons known from physical devices such as tape recorders and CD play ...
.
Usage with progress bars
Sliders are also combined with
s in the playback of
streaming media over a network connection (e.g., YouTube videos) in order to show the content buffering position versus the playback position. This is done by superimposing a colored shaded area (progress bar) on top of the slider, indicating whether the user can "jump" forward or not.
External links
Yahoo! UI LibraryASP.NET AJAX Control Toolkitscript.aculo.us wiki
Graphical control elements
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