Why the clearInterval doesn't work??

Question

https://code.sololearn.com/WlVl0vqDnt5h/?ref=app

Answer 1

Because count can never reach 8, when count is 8, it immediately reset by this function to zero, before reach clearInterval.

if(count == 8){
var n = document.createElement("tr")
t.appendChild(n)
count = 0
}

Answer 2

No I speak about the second if

Answer 3

see it again