decrement

Decrements the current NumericTextBox value by the configured step.

<input id="number" />
<script type="text/javascript">
    $(function () {
        $("#number").shieldNumericTextBox({
            value: 10,
            step: 5
        });

        $("#number").swidget().decrement();
  
        console.log($("#number").swidget().value());  // prints 5
    });
</script>