Onscroll / Onpreviewscroll

Settings javascript { onscroll : function(event) { // console.clear(); // console.log("onscroll =\>", this, this.id, this.settings, event); // ... }, onpreviewscroll : function(event) { // console.clear(); // console.log("onpreviewscroll =\>", this, this.id, this.settings, event); // ... } }