■スクリプト
<HTML> <HEAD> <TITLE>Sample</TITLE> </HEAD> <BODY bgColor="white"> <CENTER> <H1>onFocusサンプル</H1> </CENTER> <FORM> <INPUT TYPE="TEXT" onFocus="alert('Oops [1] ')"> <INPUT TYPE="TEXT" onFocus="alert('Oops [2] ')"> </FORM> </BODY></HTML>