■スクリプト
<HTML>
<HEAD>
<TITLE>Sample</TITLE>
<SCRIPT Language="JavaScript">
<!--
setBGColor = new Function("document.bgColor='cyan'")
// -->
</SCRIPT>
</HEAD>
<BODY bgColor="white">
<CENTER>
<H1>Functionサンプル</H1>
</CENTER>
<FORM>
<INPUT TYPE="button" VALUE="背景色変更" onClick="setBGColor()">
</FORM>
</BODY></HTML>