- anime: a
- ost: a1
- ost: b1
- anime: b
- ost: a2
Let say I'm in ost: a2. If I click prev button then it will go to ost: b1.
If I'm in ost: b1 then click prev button then it will go to ost: a1.
If I'm in ost: a1 then click prev button then it will stay in ost: a1 because it's the head.
Scenario
Let say I'm in
ost: a2
. If I clickprev
button then it will go toost: b1
. If I'm inost: b1
then clickprev
button then it will go toost: a1
. If I'm inost: a1
then clickprev
button then it will stay inost: a1
because it's the head.