<div id="iee-eventbrite-checkout-widget"></div> <script src="https://www.eventbrite.com/static/widgets/eb_widgets.js"></script> <script type="text/javascript"> var orderCompleteCallback = function() { console.log("Order complete!"); }; window.EBWidgets.createWidget({ widgetType: "checkout", eventId: "148383347587", iframeContainerId: "iee-eventbrite-checkout-widget", iframeContainerHeight: 530, onOrderComplete: orderCompleteCallback }); </script>