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The onspin event activates when the up or down arrow is clicked on a spinner element.  The onspin event receives 3 special variables:

  • value - The current value within the box, represented as a string
  • 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

If the onspin expression evaluates to a number or a string, that value will be used to populate the spinner element instead of utilizing the default spinner logic for incrementing or decrementing the spinner value.

Examples:

The following will refresh the screen when the spinner arrows are used.

onspin: pui.click();

The following example doubles the increment:

onspin: Number(value) + increment * 2;

The following is an example of a custom time spinner:

onspin: timeOnSpin(value, increment);

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