1.Elements
https://segmentfault.com/a/1190000008316690
2. Console
https://segmentfault.com/a/1190000008074942
3.JS调试
https://segmentfault.com/a/1190000008396389
4.Network
https://segmentfault.com/a/1190000008407729
5.Performance
https://segmentfault.com/a/1190000011516068