CSS analysis of browser compatibility issues
这篇文章分享给大家的内容是关于css关于浏览器兼容问题的解析，内容很有参考价值，希望可以帮到有需要的小伙伴。
一、火狐
1. 失效
hack：采用jquery UI：datepicker插件。
（1）下载插件,放置在项目文件夹中；
（2）在所需页面引入，如：
<script src="jslib/plugins/datepicker/bootstrap-datepicker.js"></script>
此script与页面所需的对应的js位置不分先后；
（3）点击触发pick事件，func（pic）;
调用$("#datepicker").datepicker() ;
带参数的写法：
$("#datepicker").datepicker({
numberOfMonth: 3, // 一排3个
numberOfMonth: [3,2], // 三排每排2个
}) ;二、ie8
1.圆角：border-radius失效
hack：使用一些能使ie兼容css3新属性的插件，这里介绍一下pie.htc 。
（1）下载pie.htc ；http://css3pie.com/
（2）部署在你的项目文件中，我习惯是放在js下面，不过，就像官网说的
“It doesn't matter where exactly, as long as you know where it is.”；
（3）写样式并追加兼容，如：
a.level0 span.button {
width:10px;
height:10px;
background:#999;
border-radius:50%;
-webkit-border-radius:50%;
-moz-border-radius:50%;
behavior:url(view/js/pie.htc)
//值得注意的是，追加兼容的路径并不是相对于当前的css文件，
//而是相对应的html/jsp文件，个人觉得官网只有说明没有示例不太好。
}2.渐变：background-image：linear-gredient（）失效
hack1：使用兼容插件。
方法同上的前两步（1）、（2）
（3）写样式并追加兼容，如：
nav{
background：linear-gradient（#8fb8ff 0%， #fff 100%）；
background：-webkit-linear-gradient（#8fb8ff 0%， #fff 100%）；
background：-moz-linear-gradient（#8fb8ff 0%， #fff 100%）；
-pie-background: linear-gradient(#8fb8ff 0%， #fff 100%); //ie 6-9
behavior: url(view/js/pie.htc);
}hack2：使用兼容语法。
background：linear-gradient（#8fb8ff 0%， #fff 100%）； background：-webkit-linear-gradient（#8fb8ff 0%， #fff 100%）； background：-moz-linear-gradient（#8fb8ff 0%， #fff 100%）； filter: progid:DXImageTransform.Microsoft.gradient( startColorstr= '#00000000',endColorstr='#E5000000',GradientType=0 ); //GradientType: 0垂直渐变 , 1水平渐变
以上两种方法杂不同的场景中都各有各的优点和缺点，在项目开发中，
可以都试一下采用兼容更好的一种即可。
3.结构伪类选择器：nth-of-type( )失效
hack:ie8支持first-child，变更一下代码。
a.level0 span:nth-of-type(1) ——>a.level0 span:first-child a.level0 span:nth-of-type(2)——>a.level0 span:first-child+span //第二个子节点 a.level0 span:nth-of-type(3)——>a.level0 span:first-child+span+span//第三个子节点 //以此类推
4.盒子阴影：box-shadow失效
hack:pie.htc
p{
wdith:100px;
height:100px;
background:#fff;
//尽管背景是白色，最好还是设置一下，不然兼容后的效果可能会不太理想
box-shadow:10px 10px 10p #aaa;
behavior:url(view/js/pie.htc)
}5.透明色rgba（）失效
hack:pie.htc
.contaniner{
width:100px;
height:100px;
background:rgba(0,0,0,0.5);
-pie-background:rgba(0,0,0,0.5);
behavior:url(view/js/pie.htc);
}6. 有默认border
hack:在css文件中控制一下就好了，如
input[type="checkbox"] {
border:none;
}7.顺便介绍一下过滤器filter，filter是一种用来过滤不同浏览器的hack类型。
（1）9 ：所有IE浏览器都支持
（2）0 ：IE8、IE9支持，opera部分支持
（3）90 ：IE8部分支持、IE9支持
（4）09 ：IE8、IE9支持
如：
background：#0f0；//chrome 、firefox 显示绿色 background\0：#00f ；//ie显示蓝色
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