简单教程
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代码编辑器：
<style> div { border: 1px solid black; width: 200px; height: 100px; overflow: scroll; } </style> <p>尝试滚动 div</p> <div onscroll="myFunction()">In my younger and more vulnerable years my father gave me some advice that I've been turning over in my mind ever since. <br><br> 'Whenever you feel like criticizing anyone,' he told me, just remember that all the people in this world haven't had the advantages that you've had.'</div> <p>滚动 <span id="demo">0</span> 次</p> <script> x = 0; function myFunction() { document.getElementById("demo").innerHTML = x += 1; } </script>
运行结果：