Files
JavaScript/Maths/DigitSum.js
Ephraim Atta-Duncan e112434dee Add tests to Math (#423)
* Add prettier config

* test: add test to check for absolute function

* chore: es5 to es6

* test: add test to check mean function

* test: add test for sum of digit

* test: add test for factorial

* test: add test for fibonnaci

* test: add test for find HCF

* test: add test for lcm

* test: add gridget test

* test: add test for mean square error

* test: add test for modular binary exponentiation

* test: add tests for palindrome

* test: add test for pascals triangle

* test: add tests for polynomial

* test: add tests for prime check

* test: add tests for reverse polish notation

* test: add tests for sieve of eratosthenes

* test: add tests for pi estimation monte carlo method

* chore: move tests to test folder

* chore: fix standardjs errors
2020-10-12 01:17:49 +05:30

17 lines
332 B
JavaScript

// program to find sum of digits of a number
// function which would calculate sum and return it
const digitSum = (num) => {
// sum will store sum of digits of a number
let sum = 0
// while will run untill num become 0
while (num) {
sum += num % 10
num = parseInt(num / 10)
}
return sum
}
export { digitSum }