What is the sum of the digits of the integer equal to code example
Example: Write a function digitsum that calculates the digit sum of an integer. The digit sum of an integer is the sum of all its digits.
function digSum(n) {
let sum = 0;
let str = n.toString();
console.log(parseInt(str.substring(0, 1)));
for (let i = 0; i < str.length; i++) {
sum += parseInt(str.substring(i,i+1));
}
return sum;
}