A spinner is a graphical widget

Widget (computing)

In computer programming, a widget is an element of a graphical user interface that displays an information arrangement changeable by the user, such as a window or a text box. The defining characteristic of a widget is to provide a single interaction point for the direct manipulation of a given...

 in a GUI

Gui

Gui or guee is a generic term to refer to grilled dishes in Korean cuisine. These most commonly have meat or fish as their primary ingredient, but may in some cases also comprise grilled vegetables or other vegetarian ingredients. The term derives from the verb, "gupda" in Korean, which literally...

, typically oriented vertically, with which a user may adjust a value in an adjoining text box

Text box

A text box, text field or text entry box is a kind of widget used when building a graphical user interface . A text box's purpose is to allow the user to input text information to be used by the program...

 by either clicking on an up or down arrow, or by holding an arrow down, causing the value in the text box to increase (if the up arrow is held down) or decrease (if the down arrow is held). In most cases holding a button down causes the speed at which the associated value changes to increase. Usually, the value of the spinner is displayed in a text box next to the spinner, allowing the user to use the spinner to adjust the value, or to type the value into the text box.

A spinner is different from a scrollbar

Scrollbar

A scrollbar is an object in a graphical user interface with which continuous text, pictures or anything else can be scrolled including time in video applications, i.e., viewed even if it does not fit into the space in a computer display, window, or viewport...

 or slider

Slider (computing)

A slider, also known as track bar in Microsoft literature, is an object in a GUI with which a user may set a value by moving an indicator, usually in a horizontal fashion. In some cases the user may also click on a point on the slider to change the setting...

 in that a spinner is typically used to adjust a value without changing the format of the display or the other information on the screen. Thus, the appearance of the spinner at a given time does not represent the quantity of the associated value.

External links

• http://www.webcodingtech.com/javascript/spinner.php Example for emulating spinners for HTML
  HTML
  HyperText Markup Language is the predominant markup language for web pages. HTML elements are the basic building-blocks of webpages....
  
   in Javascript
  JavaScript
  JavaScript is a prototype-based scripting language that is dynamic, weakly typed and has first-class functions. It is a multi-paradigm language, supporting object-oriented, imperative, and functional programming styles....