* MS many es2015->es5 are not applied in dev-mode. (after all, I know that I'll always be testing in modern browsers!)
* MS many es2015->es5 are not applied in dev-mode. (after all, I know that I'll always be testing in modern browsers!)


Former-commit-id: 95f54ea3629d1f3d92eeafbec3ff3bb8535ebe38
Venryx/DebateMap,Venryx/DebateMap,Venryx/DebateMap