jquery mCustomScrollbar使用

        $(".content .desc").mCustomScrollbar({
            axis: "y",
            theme: 'dark',
            mouseWheel: {
                enable: true
            },
            advanced: {
                updateOnContentResize: true
            },
            callbacks:{
                  onOverflowY: function(){
                      console.log("onOverflowY");
                  },
                  //没有出现任何滚动条触发
                  onOverflowYNone: function(){
                      console.log("onOverflowYNone");
                  },
                   onBeforeUpdate: function(){
                      console.log("onBeforeUpdate");
                 },
                 onScroll: function(){
                      console.log("onScroll");
                 },
                 onCreate: function(){
                     console.log("onCreate");
                 }
            }

            })

官网 http://manos.malihu.gr/jquery-custom-content-scroller/