在线运行代码 - 菜鸟教程

<!DOCTYPE html>
<html>
<head>
<script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
  $(window).load(function(){
    alert("Page loaded.");
  });
});
</script>
</head>
<body>

<img src="../images/pulpit.jpg" alt="Pulpit rock" width="304" height="228">
<p><b>Note:</b> Depending on the browser, the load event may not trigger if the image is cached.</p>

</body>
</html>

源代码

动行结果