５．関数｛function文｝ <20p>
<html>
<head>
<title>function01</title>
<script language="JavaScript">
<!--
function p(name){ //関数の定義
name="舘田です";
document.write("<h1>",name,"</h1>");
}
//-->
</script>
</HEAD>
<BODY>
<script language="JavaScript">
<!--
p(name) //関数の実行
//-->
</script>
</BODY>
</body>
</html>