https://blog.youkuaiyun.com/lxiaopfengzh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/lxiaopfeng/article/details/79811685https://blog.youkuaiyun.com/lxiaopfeng/article/details/79811685lxiaopfengWed, 04 Apr 2018 06:16:22 +0800https://blog.youkuaiyun.com/lxiaopfeng/article/details/56008305https://blog.youkuaiyun.com/lxiaopfeng/article/details/56008305lxiaopfengMon, 20 Feb 2017 10:08:41 +0800https://blog.youkuaiyun.com/lxiaopfeng/article/details/52814532https://blog.youkuaiyun.com/lxiaopfeng/article/details/52814532lxiaopfengFri, 14 Oct 2016 11:28:44 +0800https://blog.youkuaiyun.com/lxiaopfeng/article/details/52799187https://blog.youkuaiyun.com/lxiaopfeng/article/details/52799187lxiaopfengWed, 12 Oct 2016 18:13:19 +0800https://blog.youkuaiyun.com/lxiaopfeng/article/details/52763116https://blog.youkuaiyun.com/lxiaopfeng/article/details/52763116lxiaopfengSun, 09 Oct 2016 08:20:29 +0800https://blog.youkuaiyun.com/lxiaopfeng/article/details/52572221https://blog.youkuaiyun.com/lxiaopfeng/article/details/52572221lxiaopfengSun, 18 Sep 2016 10:33:30 +0800https://blog.youkuaiyun.com/lxiaopfeng/article/details/52540023https://blog.youkuaiyun.com/lxiaopfeng/article/details/52540023lxiaopfengWed, 14 Sep 2016 17:12:04 +0800https://blog.youkuaiyun.com/lxiaopfeng/article/details/52527369https://blog.youkuaiyun.com/lxiaopfeng/article/details/52527369lxiaopfengTue, 13 Sep 2016 16:48:55 +0800等待服务器响应-->处理完毕返回，客户端浏览器没有做别的事情。 同步连接请求数据时，当数据还未请求成功之前，用户界面做任何操作都是无效的，都是不会响应的。只有当请求数据完毕之后，才会响应用户交互，所以通常会卡死主线程。 异步请求：通过事件触发请求-->服务器处理请求-->处理完毕返回，但是客户端浏览器可以接着做别的事情]]>https://blog.youkuaiyun.com/lxiaopfeng/article/details/52484740https://blog.youkuaiyun.com/lxiaopfeng/article/details/52484740lxiaopfengFri, 09 Sep 2016 11:23:00 +0800https://blog.youkuaiyun.com/lxiaopfeng/article/details/52472694https://blog.youkuaiyun.com/lxiaopfeng/article/details/52472694lxiaopfengThu, 08 Sep 2016 16:18:45 +0800https://blog.youkuaiyun.com/lxiaopfeng/article/details/52366237https://blog.youkuaiyun.com/lxiaopfeng/article/details/52366237lxiaopfengTue, 30 Aug 2016 09:57:43 +0800 “文件头上的style元素” >“外部样式文件”       id选择器指定的样式 > 类选择器指定的样式 > 元素类型选择器指定的样式 3、根据权值来判断，权值大小取决于选择器： （1）  内联样式表的权值最高 1000； （2）ID 选择器的权值为]]>