<!--[if !IE]><!--> 除IE外都可识别 <!--<![endif]-->
<!--[if IE]> 所有的IE可识别 <![endif]-->
<!--[if IE 6]> 仅IE6可识别 <![endif]-->
<!--[if lt IE 6]> IE6以及IE6以下版本可识别 <![endif]-->
<!--[if gte IE 6]> IE6以及IE6以上版本可识别 <![endif]-->
<!--[if IE 7]> 仅IE7可识别 <![endif]-->
<!--[if lt IE 7]> IE7以及IE7以下版本可识别 <![endif]-->
<!--[if gte IE 7]> IE7以及IE7以上版本可识别 <![endif]-->
<!--[if IE 8]> 仅IE8可识别 <![endif]-->
<!--[if IE 9]> 仅IE9可识别 <![endif]-->
项目 |
范例 |
说明 |
! |
[if !IE] |
The NOT operator. This is placed immediately in front of the feature, |
lt |
[if lt IE 5.5] |
The less-than operator. Returns true if the first argument is less than |
lte |
[if lte IE 6] |
The less-than or equal operator. Returns true if the first argument is |
gt |
[if gt IE 5] |
The greater-than operator. Returns true if the first argument is greater |
gte |
[if gte IE 7] |
The greater-than or equal operator. Returns true if the first argument |
( ) |
[if !(IE 7)] |
Subexpression operators. Used in conjunction with boolean operators to |
& |
[if (gt IE 5)&(lt IE 7)] |
The AND operator. Returns true if all subexpressions evaluate to true |
| |
[if (IE 6)|(IE 7)] |
The OR operator. Returns true if any of the subexpressions evaluates to |
<!--[if lt IE 9]>
加载CSS1
<!--[else]>
加载CSS2
<![endif]-->
这样有效是有效,但是用HTML VALIDATOR里,报错,因为这个不符合XHTML 1.1的规范,
如果把ELSE语句去掉,则正确.
方法1:
加载CSS2
<!--[if lt IE 9]>
加载CSS1(可以把要重写的写在这里).
<![endif]-->