Could you find out some fault?

Could you find out some fault?

Could you find out some fault in the codes as below?
Anyway I can't see the correct effect now.


<head>
<script type="text/javascript" src="jquery-1.4.2.min.js"></script>


<script>
$(document).ready(function({$("p").html("<strong>abcdefg</strong>")})
</script>
</head>