cdn_一些常用的cdn地址

https://code.jquery.com/jquery-3.3.1.js
https://cdn.bootcss.com/jquery/2.1.4/jquery.min.js

https://cdn.bootcss.com/bootstrap/3.3.5/css/bootstrap.min.css
https://cdn.bootcss.com/bootstrap/3.3.5/js/bootstrap.min.js

https://cdn.bootcss.com/echarts/4.1.0.rc2/echarts.js
https://cdn.bootcss.com/echarts/4.1.0.rc2/echarts.min.js

https://cdn.bootcss.com/vue/2.5.2/vue.min.js
https://cdn.bootcss.com/vue-router/3.0.1/vue-router.min.js
https://cdn.bootcss.com/vuex/3.0.1/vuex.min.js

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/Swiper/3.x.x/css/swiper.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/Swiper/3.x.x/css/swiper.min.css">

<script src="https://cdnjs.cloudflare.com/ajax/libs/Swiper/3.x.x/js/swiper.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/Swiper/3.x.x/js/swiper.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/Swiper/3.x.x/js/swiper.jquery.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/Swiper/3.x.x/js/swiper.jquery.min.js"></script>

https://cdn.bootcss.com/font-awesome/5.8.1/css/fontawesome.min.css

https://cdn.staticfile.org/font-awesome/4.7.0/css/font-awesome.css

http://chandlerprall.github.io/Physijs/examples/js/three.min.js

https://www.haorooms.com/nav#1

点点

overflow: hidden;
display: -webkit-box;
text-overflow: ellipsis;
-webkit-box-orient: vertical;
-webkit-line-clamp: 2;

修改默认的滚动条样式

 /*滚动条样式*/
             /*定义滚动条高宽及背景 高宽分别对应横竖滚动条的尺寸*/

             ::-webkit-scrollbar {
                 width: 10px;
                 height: 10px;
                 background-color: #F5F5F5;
             }
             /*定义滚动条轨道 内阴影+圆角*/

             ::-webkit-scrollbar-track {
                 -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
                 border-radius: 10px;
                 background-color: #F5F5F5;
             }
             /*定义滑块 内阴影+圆角*/

             ::-webkit-scrollbar-thumb {
                 border-radius: 10px;
                 -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, .3);
                 background-color: #555;
             }

a标签默认样式去掉

a { text-decoration: none; color: #333; }

解决跨域

--disable-web-security --user-data-dir

模板代码：

ajax

 $.ajax({
         url: 'url',
         type: "post",
         dataType: "json",
         data: {},
         cache: false,
         async: false,
         success: function(res) {

         },
         error: function(res) {}
     }),

解决github卡的问题

151.101.113.194 github.global.ssl.fastly.net

192.30.253.112 github.com

Mac:sudo vi /etc/host，然后输入电脑的密码，打开host文件。

window:C:\Windows\System32\drivers\etc\hosts

Linux:vim \etc\hosts 

3.更新DNS缓存，使增加的映射生效。

Mac:sudo dscacheutil -flushcache

Window:ipconfig /flushdns

Linux:/etc/init.d/dns-clean

three.js

https://www.cnblogs.com/catherinezyr/p/7047465.html