How to use jquery

script type="text/javascript" src="jquery.js"> /script>


!DOCTYPE html>
html lang="en">
head>
meta http-equiv="Content-Type" content="text/html; charset=utf-8">
script src="http://ajax.googleapis.com/ajax/libs/jquery/1.3/jquery.min.js" type="text/javascript">/script>
script type="text/javascript">
$(document).ready(function(){
$("a").click(function(event){
alert("As you can see, the link no longer took you to jquery.com");
event.preventDefault();
});
});

/script>
/head>
body>
a href="http://jquery.com/">jQuery/a>
/body>
/html>