Spinner plugin

Spinner, or number stepper, widget is perfect for handling all kinds of numeric input. It allow users to type a value directly or modify an existing value by spinning with the keyboard, mouse or scrollwheel.

Spinner wraps a text input, adds two buttons to increment and decrement the current value, along with handling key events for the same purpose.

Keyboard interaction

UP: Increment the value by one step.
DOWN: Decrement the value by one step.
PAGE UP: Increment the value by one page.
PAGE DOWN: Decrement the value by one page.