W3School TIY Editor
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本例使用 HTML DOM 将 "onscroll" 事件分配给 div 元素。
请试试 div 中的滚动条
In my younger and more vulnerable years my father gave me some advice that I've been turning over in my mind ever since.
'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.'