Can some one help me clear this doubts in JavaScript

Question

var sum = 0;
for(i=1; i<=9; i++){
if(i%5===0lli%3==0{
sum+=i;
}
}
output 23 why I don't just get this stuff is there any link you know where I can go and improve my js Algorithms skill , this really killing me in JS ,please help

Answer 1

For loop will run untill i is 10.

Now when i will be 3 , 5 , 6 , 9 at that time only it will be added to sum variable because of if.

Hence 3 + 5 +6 +9 =23.

Answer 2

George S Mulbah

I doesn't have any such kind of reference.

Answer 3

Meet Mehta can you give me where I can improve my Algorithms skill in js