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方法1

function updateScroll(){var element = document.getElementById("divId");element.scrollTop = element.scrollHeight;}

方法2

<div class="container"><div class="inner">Bottom</div><div class="inner">Hi</div><div class="inner">Hi</div><div class="inner">Hi</div><div class="inner">Hi</div><div class="inner">Hi</div><div class="inner">Hi</div><div class="inner">Hi</div><div class="inner">Hi</div><div class="inner">Hi</div><div class="inner">Hi</div><div class="inner">Hi</div><div class="inner">Hi</div><div class="inner">Hi</div><div class="inner">Hi</div><div class="inner">Hi</div><div class="inner">Hi</div><div class="inner">Top</div></div><style>.container {height: 100px;overflow: auto;display: flex;flex-direction: column-reverse;}</style>