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  • value - The value within the box before the spin operation was initiated, represented as a string
  • newValue - The new calculated value after the spin operation has completed, represented as a number
  • increment - Positive or negative number depending on whether the user has clicked the up or the down arrow; the default values for increment are 1 and -1; however this can be modified by changing the "increment value" property on the widget
  • spinner - A reference to the spinner element