This feature (source maps) has been improving a lot over time. A year ago it was basically unusable, and today I rarely have problems jumping from console to debugger. We're even working on a way to show the original variable names in the scope inspector when paused in the debugger now.
On the other hand, Firefox's layout dev tools, like the grid and flex box inspector, are way better than doing the same task in Chrome, in my experience.
On the other hand, Firefox's layout dev tools, like the grid and flex box inspector, are way better than doing the same task in Chrome, in my experience.