<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<script src="/jquery/js/jquery.js"></script>
<script>
$(document).ready(function(){
$("p").before("<b>Hello</b>");
});
</script>
<style>p { background:yellow; }</style>
</head>
<body>
<p> is what I said...</p>
<p> is what you said too...</p>
</body>
</html>
[実行結果]
[フレーム]