这段 Javascript 代码有什么问题?我想不通…………………………………………………… ……………………………………………………………………………………………………………………………………
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.0/jquery.min.js"></script>
</head>
<body>
<script>
$(document).ready(function(){
$("#my-button").click(function(button){
$("#my-button").html("Clicked!");
});
});
</script>
<button id="my-button">Not clicked</button>
</body>
</html>