■スクリプト
<HTML> <HEAD> <TITLE>Sample</TITLE> <SCRIPT Language="JavaScript"> <!-- function getHeight(theEvent) { alert("縦位置:"+theEvent.height); } document.onclick = getHeight; // --> </SCRIPT> </HEAD> <BODY bgColor="white"> <CENTER> <H1>event.width サンプル</H1> </CENTER> </BODY></HTML>