js控制div超出屏幕高度后自动出现滚动条
代码如下:
<script language="javascript" type="text/javascript">
$(document).ready(function()
{
// 浏览器的高度和div的高度
var height = $(window).height();
var divHeight = $("#scolldiv").height();
//获取div对象
var divh = $("#scolldiv").get(0);
//div高度大于屏幕高度把屏幕高度赋给div,并出现滚动条
if (divHeight > height-20)
{
divh.style.height = height-20;
divh.style.overflow = "auto";
}
});
</script>
<div id="scolldiv" style="width: 100%;"><br /></div>
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