Hello Brian Teo,
In my case, I get the slider object by ClassName(Default class name is [noUi-target] .
When I try with get by ID, it's not work.
And the object will be return in array.
Please ref the follow code.
var slider = document.getElementsByClassName('noUi-target');
slider[0].noUiSlider.set($parameters.Val);
Hope it will be solved. ^_^
Thanks and Regards,
Zwe Mann