ie6,ie7,firefox的textarea滚动条、边框

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先说滚动条吧，一个textarea，设置了4行，如果里面的文字不到4行的话，在firefox下它是不会出现滚动条的

在ie6,7下会有滚动条，但是灰色不可拖拽的状态

 

 如果要ie不出现滚动条的话，可以设置overflown-y:hidden;不过这样一来，如果文字大于4行，那它还是不会出现滚动条的，在此可以用js进行判断，如果是ie浏览器，如果字符大于多少，就设置 overflown-y:none; 这样大于4行就又可以显示滚动条了。

  再看边框，如果设置textarea{border:none;}那在firefox里是可以达到没有边框的效果，但在ie6里还是不可以的，所以得这样：textarea{border:none;border:1px solid none;}

如果有不正确或有更好的的方法欢迎批评指教。

lsc54

来看看！！！

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