<script type="text/javascript">
function bindEvent(element, eventName, eventHandler) {
if (element.addEventListener){
element.addEventListener(eventName, eventHandler, false);
} else if (element.attachEvent) {
element.attachEvent('on' + eventName, eventHandler);
}
}
let heights = [];
bindEvent(window, 'message', function (e) {
if (e.data != null && !isNaN(e.data)) heights.push(e.data);
elHeight = (heights[heights.length-1] + 'px').toString();
document.getElementById("newsIframe").style.height = elHeight;
});
</script>