IE中，给一个HTML元素同时指定多个class时，样式是怎么确定的
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><style>.wrappertop2{color:blue;}.wrappertop{color: red;}.wrappertop3{color:red;}.wrappertop4{color: blue;}</style><title>新增消息</title></head><body><div class="wrappertop wrappertop2"><div class="title">消息名</div></div><div class="wrappertop2 wrappertop"><div class="title">消息名</div></div><div class="wrappertop3 wrappertop4"><div class="title">消息名</div></div><div class="wrappertop4 wrappertop3"><div class="title">消息名</div></div></body></html> 结果如下图，由此可见，在<style>中后声明的样式是最终效果，而与 class="" 中式样的顺序无关http://dl.iteye.com/upload/attachment/0070/1094/d8ed3826-10b6-3c66-a3d4-7f721beb885d.gif
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