Please help with increment. In increment it always add one number buy why in the loop adding 2 number

Question

var i=1
for(k=1; k<=10; k++)
{
document.write(k+=i, "</br>");
}

Answer 1

'k' itself is incremented after each iteration and to that you are adding 1 so it will be incremented by 2 in total.

Answer 2

Thanks