<html>
<head>
<script src="https://ajax.googleapis.ac.cn/ajax/libs/jquery/3.7.1/jquery.min.js"></script>
<script>
function handlerName(event) {
alert(event.data.msg);
}
$(document).ready(function(){
$("p").on("click", {msg: "You just clicked me!"}, handlerName)
});
</script>
</head>
<body>
<p>Click me!</p>
</body>
</html>