Discussions Q&R

I didn't understand the prev() function can anyone explain this
javascript
-1 Vote
3 Réponses
10th Jun 2017, 3:43 PM
arul kumar
arul kumar - avatar
Can you tell me the explanation about code in below? Especially the value of num when num--(start)
prev()
0 Vote
1 Réponse
18th May 2019, 4:33 PM
SALIM
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