e.log("controlNodeDragEnd Event:", params);
            });
            network.on("zoom", function (params) {
                document.getElementById("eventSpanHeading").innerText = "zoom event:";
                document.getElementById("eventSpanContent").innerText = JSON.stringify(
                    params,
                    null,
                    4,
                );
            });
            network.on("showPopup", function (params) {
                document.getElementById("eventSpanHeading"