JS让DIV的滚动条自动保持在底部
<script type="text/javascript">
function add()
{
var now = new Date();
var div = document.getElementById('scrolldIV');
div.innerHTML = div.innerHTML + 'time_' + now.getTime() + '<br />';
div.scrollTop = div.scrollHeight;
}
</script>
<!--//插入最新信息,当出现滚动条时,滚动条将自动保持在底部。-->
<div class="txa" id="scrolldIV" style="height:320px; overflow:scroll; overflow-x:hidden;">
</div>
参考: https://www.cnblogs.com/heibaiqi/p/16874064.html
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