静态资源 CDN 公共库是指一些服务商将我们常用的 JavaScript 库存放到网上，方便开发者直接调用，并且还对其提供 CDN 加速，这样一来可以让用户加速访问这些资源，二来还可节约自己服务器的流量。
Echarts 一个基于 JavaScript 的开源可视化图表库。

Echarts 字节跳动 cdn加速

支持版本

[
    "2.1.10",
    "2.1.8",
    "2.1.9",
    "2.2.0",
    "2.2.1",
    "2.2.2",
    "2.2.3",
    "2.2.4",
    "2.2.5",
    "2.2.6",
    "2.2.7",
    "3.0.0",
    "3.0.1",
    "3.0.2",
    "3.1.0",
    "3.1.1",
    "3.1.10",
    "3.1.2",
    "3.1.3",
    "3.1.4",
    "3.1.5",
    "3.1.6",
    "3.1.7",
    "3.1.8",
    "3.1.9",
    "3.2.0",
    "3.2.1",
    "3.2.2",
    "3.2.3",
    "3.3.0",
    "3.3.1",
    "3.3.2",
    "3.4.0",
    "3.5.0",
    "3.5.1",
    "3.5.2",
    "3.5.3",
    "3.5.4",
    "3.6.0",
    "3.6.1",
    "3.6.2",
    "3.7.0",
    "3.7.1",
    "3.7.2",
    "3.8.0",
    "3.8.2",
    "3.8.3",
    "3.8.4",
    "3.8.5",
    "4.0.0",
    "4.0.2",
    "4.0.3",
    "4.0.4",
    "4.1.0",
    "4.1.0-rc.0",
    "4.1.0-rc.1",
    "4.1.0-rc.2",
    "4.1.0-rc2",
    "4.1.0-release",
    "4.1.0.rc0",
    "4.1.0.rc1",
    "4.1.0.rc2",
    "4.2.0-rc.1",
    "4.2.0-rc.2",
    "4.2.1",
    "4.2.1-rc.2",
    "4.2.1-rc.3",
    "4.2.1-rc1",
    "4.3.0",
    "4.3.0-rc.1",
    "4.3.0-rc.2",
    "4.4.0",
    "4.4.0-rc.1",
    "4.5.0",
    "4.5.0-rc.1",
    "4.5.0-rc.2",
    "4.6.0",
    "4.6.0-rc.1",
    "4.7.0",
    "4.8.0",
    "4.9.0-rc.1",
    "5.0.0-alpha.1",
    "5.0.0-alpha.2",
    "5.0.0-beta.1",
    "5.0.0-beta.2",
    "5.0.0",
    "5.0.0-rc.3",
    "5.0.0-rc.1",
    "5.0.1",
    "5.0.2",
    "5.1.0",
    "5.1.1",
    "5.1.2",
    "5.2.0",
    "5.2.1"
  ]

https://lf6-cdn-tos.bytecdntp.com/cdn/expire-1-M/echarts/4.8.0/echarts.js
https://lf3-cdn-tos.bytecdntp.com/cdn/expire-1-M/echarts/4.8.0/echarts.min.js

Echarts 七牛云加速

支持版本同上

https://cdn.staticfile.org/echarts/4.8.0/echarts.js
https://cdn.staticfile.org/echarts/4.8.0/echarts.min.js

Echarts cdnjs

支持版本同上

https://cdnjs.cloudflare.com/ajax/libs/echarts/4.8.0/echarts.min.js
https://cdnjs.cloudflare.com/ajax/libs/echarts/4.8.0/echarts.js

Echarts 360cdn加速

支持版本同上

//lib.baomitu.com/echarts/4.8.0/echarts.js
//lib.baomitu.com/echarts/4.8.0/echarts.min.js

Echarts bootcdn cdn

https://cdn.bootcdn.net/ajax/libs/echarts/4.8.0/echarts.js
https://cdn.bootcdn.net/ajax/libs/echarts/4.8.0/echarts.min.js