parseInt(event.data); if (!isNaN(h)) f.style.height = h + 'px'; }; function addEvent(elem, evnt, func) { if (elem.addEventListener) { elem.addEventListener(evnt, func, false); } else if (elem.attachEvent) { elem.attachEvent('on' + evnt, func); } else { elem['on' + evnt] = func; } }; addEvent(window, 'message', listener);" scrolling="no" src="https://onlinetestpad.com/hschvo6j3o2ck" style="width:100%;">