How to change sidebar scrollbar scrolling speed

1) Download and activate the following plugin;

WP EDITOR

2) Go to Appearance->Theme Editor

3) Open js/custom.js file

4) Find the following code and change only the number (500) with any other number. 1000 = 1 seconds.

/* CUSTOM SCROLLBAR */
if (jQuery(window).width() > 1024) {
(function ($) {
    "use strict";
    jQuery(document).ready(function () {
        $(".leftcontainer").mCustomScrollbar({
            scrollInertia: 500,
            autoHideScrollbar: true,
            theme: "light",
            advanced: {
                updateOnContentResize: true
            }
        });
    });
})(jQuery);

5) Click Update File button.

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