Help with loading (progress) bars

Question

I want all 4 loading/progress bars to load one after another (from #1 to #4), one time each, all a little slower, and all starting at 0%.
https://code.sololearn.com/W4UHc2VNVuvG/?ref=app

Answer 1

For control individual custom progress bars
https://code.sololearn.com/WHksSKnKp6Ac/?ref=app

Answer 2

Maybe it? [on jquery]
https://code.sololearn.com/WsLEovYwfZtd/?ref=app