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js DIV滚动条随机位置的设置技巧_javascript技巧

WBOY
Release： 2016-05-16 18:58:30
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style后面用于限定DIV样式并加滚动条，这个不多说
关键的地方其实很简单，最后两行Javascript就是了，起作用的只有最后一行：
obj.scrollTop=obj.scrollHeight*(Math.random());
obj.scrollTop：滚动条距离顶部的位置
obj.scrollHeight：流动区域的高度
Math.random()：获得一个随机数
很简单，有人可能需要，用就拿去，哈哈
PS：IE6 / IE7 / FF2 测试通过
IE7在本地测试时只是每次打开时滚动条位置才不同，刷新却没有变化，但放到网站上之后就正常了
代码如下：


[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]
Related labels：
div js scroll bar
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