英寸×UA兼容&QUOT;含量=&QUOT; IE = 9; IE = 8; IE = 7; IE = EDGE&QUOT;

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问题描述

 < meta http-equiv =X-UA-Compatiblecontent =IE = 9; IE = 8; IE = 7; IE = EDGE/>

实际上这句话的含义是什么？，来分离IE版本，而一些例子使用 ; ;这是正确的吗？

订单 IE = 9; IE = 8; IE = 7; IE = EDGE 有一定的重要性，我希望知道。

编辑：我使用<！DOCTYPE html>
解决方案
如果您支持IE浏览器，对于Internet Explorer 8及以上版本，请执行以下操作：

< meta http-equiv = X-UA-Compatiblecontent =IE = 9; IE = 8; IE = 7/>
强制浏览器呈现特定版本的标准。它不支持IE7及以下版本。

如果使用分号分隔，它会为不同版本设置兼容级别。例如：

< meta http-equiv =X-UA兼容content =IE = 7; IE = 9/>
将IE7和IE8渲染为IE7，但将IE9渲染为IE9。它允许不同级别的向后兼容性。但在现实生活中，您应该只选择其中一个选项：

< meta http-equiv =X-UA -Compatiblecontent =IE = 8/>
这可以使测试和维护更加简单。尽管通常使用Emulate的更有用的版本：

< meta http-equiv =X-UA兼容 content =IE = EmulateIE8/>
为此：

< meta http-equiv =X-UA-Compatiblecontent =IE = Edge/>
无论最新版本的标准如何，它都会强制浏览器呈现渲染。

有关详细信息，，

<meta http-equiv="X-UA-Compatible" content="IE=9; IE=8; IE=7; IE=EDGE" />
Actually what is the meaning of this statement ?
Some of the examples use , to separate versions of IE, while some use ;; which is correct?
The order IE=9; IE=8; IE=7; IE=EDGE has some importance, I wish to know that.
Edit: I am using <!DOCTYPE html>
解决方案
If you support IE, for versions of Internet Explorer 8 and above, this:
<meta http-equiv="X-UA-Compatible" content="IE=9; IE=8; IE=7" />
Forces the browser to render as that particular version's standards. It is not supported for IE7 and below.
If you separate with semi-colon, it sets compatibility levels for different versions. For example:
<meta http-equiv="X-UA-Compatible" content="IE=7; IE=9" />
Renders IE7 and IE8 as IE7, but IE9 as IE9. It allows for different levels of backwards compatibility. In real life, though, you should only chose one of the options:
<meta http-equiv="X-UA-Compatible" content="IE=8" />
This allows for much easier testing and maintenance. Although generally the more useful version of this is using Emulate:
<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE8" />
For this:
<meta http-equiv="X-UA-Compatible" content="IE=Edge" />
It forces the browser the render at whatever the most recent version's standards are.
For more information, there is plenty to read about on MSDN,

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