如何使用鼠标滚轮控制光滑的滑块?

How to make slick slider controllable with mouse wheel?

我需要在光滑的滑块中控制鼠标滚轮,example is here My code: code on codepen

    $(document).ready(function(){
    $('.slider').slick({
        vertical: true,
        verticalSwiping: true,
        touchThreshold: true

    });
});
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