How I can increase num 80 every time the loop is running?

Question

function chess(){
var arr =[];
for (var i=0;i<4;i++){
var num = 0;
arr.push(num);
}
var newsl = arr[0]+","+arr[1]+","+arr[2]+","+arr[3];
return newsl;
}
console.log(chess());

Answer 1

You could set num to 80 * i

Answer 2

for(var i=0;i<4;i++)
{
var num = 80 * i;
arr.push(num);
}

Hope this helps ☺️☺️.

Answer 3

but for that I have to set increment statement to i+=80; and condition to i < value;
is there any other way?

Answer 4

no, i increases by 1 for every iteration, so num will be 0, 80, 160, 240 and so on so the increment statement doesn't need to change