How can write javascript in array for 1+2+3+4+5M

Question

I TRIED BUT IT CAN'T SHOWS.

Answer 1

what is that M?

Answer 2

sum = 0;
var crap = Array(5);
for(var i = 0; i < 5; i++ ){
crap[i] = priompt("enter the number");
sum = sum + crap[i];
}
document.write(sum);

In this case i want to display 15 but it's shows 012345 have you any idea???

Answer 3

User inputs are strings, you need to parse them to numbers.

Answer 4

how can change strings to number?

Answer 5

how can change it?

Answer 6

change the row like this:
sum = sum + Number(crap[i]);