1em = 100%吗? [英] Does 1em = 100% ?

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问题描述

如果我有风格:


身体

{

字体大小:1em;

}


这有什么不同于:


身体

{

font-size:100%;

}


问候,

Peter Foti

解决方案

Peter Foti写道:

font-size:1em;
是否有任何不同于:
字体-size:100%;




从技术上讲它们的意思相同(就像1m和100cm一样)。在

练习中,不同的浏览器有不同的错误。


-

David Dorward http://dorward.me.uk/


彼得福蒂 < PE **** @ systolicnetworks.com>写道:

font-size:1em;
vs. font-size:100%;



for body。


根据规范,没有区别,因为对于font-size

属性,em单位和百分比都是相对于封闭元素的字体大小




浏览器有一些错误和缺陷,但平均而言,

百分比更安全一点。


但是什么是重点将body的font-size设置为1em或

100%?这只会告诉浏览器无论如何都要使用它。如果你认为有一个特殊的技巧(可能是为了克服一个

浏览器错误),请解释一下。


-

Yucca, http:// www。 cs.tut.fi/~jkorpela/


" Jukka K. Korpela" < JK ****** @ cs.tut.fi>在消息中写道

news:Xn ***************************** @ 193.229.0.31。 ..

但是将body的font-size设置为1em或
100%是什么意思?这只会告诉浏览器无论如何都要使用它。如果你认为有一个特殊的技巧(可能是为了克服一个
浏览器错误),请解释一下。




我在某处阅读这个将字体大小设置为100%的新闻组需要

关注一些IE 5.5的bug。


Peter


If I have a style:

body
{
font-size: 1em;
}

Is that any different than:

body
{
font-size: 100%;
}

Regards,
Peter Foti

解决方案

Peter Foti wrote:

font-size: 1em;
Is that any different than:
font-size: 100%;



Technically they mean the same (just as 1m is the same as 100cm). In
practise, different browsers have different bugs relating to them.

--
David Dorward http://dorward.me.uk/


"Peter Foti" <pe****@systolicnetworks.com> wrote:

font-size: 1em; vs. font-size: 100%;


for body.

By the specification, there is no difference, since for the font-size
property, both the em unit and percentages are relative to the font-size
of the enclosing element.

Browsers have some bugs and deficiencies for both, but on the average,
percentages are a little safer.

But what would be the point of setting font-size of body to 1em or to
100%? That would just tell the browser to use whatever it does anyway. If
you think there is a particular trick (maybe intended to overcome a
browser bug) involved, please explain.

--
Yucca, http://www.cs.tut.fi/~jkorpela/


"Jukka K. Korpela" <jk******@cs.tut.fi> wrote in message
news:Xn*****************************@193.229.0.31. ..

But what would be the point of setting font-size of body to 1em or to
100%? That would just tell the browser to use whatever it does anyway. If
you think there is a particular trick (maybe intended to overcome a
browser bug) involved, please explain.



I read somewhere in this newsgroup that setting the font size to 100% takes
care of some IE 5.5 bugs.

Peter


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