<iframe marginWidth= "0 " id= "my_iframe " name= "my_iframe " scrolling= "yes " marginHeight= "0 " src= "welcome.htm " frameBorder= "0 " width= "98% " height= "97% "> </iframe>
这个iframe允许当引用页超出iframe大小时，出现滚动条，但是这样的话，如果引用页没有超出大小，在iframe右侧垂直方向总是有一个虚的滚动条，很难看，怎么样能去掉？
谢谢！
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<iframe marginWidth= "0 " id= "my_iframe " name= "my_iframe " scrolling= "auto " marginHeight= "0 " src= "welcome.htm " frameBorder= "0 " width= "98% " height= "97% "> </iframe>
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scrolling= "auto "
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scrolling= "auto "
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document.body.style.overflow = "auto ";
document.body.style.overflowX = "hidden ";
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scrolling= "auto "
你在把 height= "97% "去掉看看