OK well, understood. I’ve applied the setup to avoid the scroll of the main lage while the user is scrolling in the pop-up, so that the UX is better, no need to scroll back at the unitial position when the pop-up closes. But this JS code prevents the selectize Drop-down to be scrolled using the mouse + to easily select items in the Drop-down list.
I’ve to check how to resolve this problem, as I’d prefer to keep this behavior, but also to be able to use Selectize dropdown.
FYI, the link on the forum thread dealing with the popup scrolling tip : Tutorial: Scroll within a popup without scrolling the page
Any way, Selectize dropdown is 