Table of Contents
You are using IE browser
Version 7
Version 5.0







The following code is a conditional comment that runs under non-IE browsers


You are not using Internet Explorer



Eventually in non-IE and It works under special IE browser
(or use lte lt or gt gte to judge, such as:

).


You are using Internet Explorer version 6

Or a non-IE browser




From: cssplay.co.uk/menu/conditional.html" target="_blank">http://www.cssplay.co.uk/menu/conditional.html

The conditional comments mentioned above are to determine the browser type and then define what content is displayed in which browser. .

This dropmenu (drop-down menu) model comes from cssplay and was made after many studies and repeated tests by the author. I want to use this model to practice the principle of conditional comments.

先看一个最简单的模型

下面是xhtm



CSS



Use dual styles to define styles for ie and non-ie respectively. If IE is used, based on final_drop.css Add a final_drop_ie.css

First look at how css under non-ie is defined
.menu ul li ul {
display: none;
}
/* specific to non IE browsers */
.menu ul li:hover a {
color:#fff;
background:#bd8d5e;
}
/*Define mouseover style*/
.menu ul li:hover ul {
display:block;
position:absolute;
top:3em;
margin-top:1px;
left:0;
width :150px;
}


Under non-IE, the ul contained in li is displayed when the mouse rolls over, because these browsers support the li:hover usage

IE css under
.menu ul li a:hover {
color:#fff;
background:#bd8d5e;
}
/*The ul contained in li is displayed when the mouse rolls over*/
.menu ul li a:hover ul {
display:block;
position:absolute;
top:3em;
left:0;
background:#fff;
margin-top:0;
marg\in-top:1px;
}

Inherit the final_drop.css style above, and the ul contained in li will not be displayed when there is no mouse time
Because

So when the mouse rolls over in IE6, it is displayed through a:hover The ul content
displays the same effect through li:hover under IE7.
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