Answers for "number of digits in sum in javascript"

count the total number of digits of a number in javascript

const count = n => String((Math.abs(n))).length;

count(123); // ➞ 3
count(-45678); // ➞ 5
count(8912); // ➞ 4

Posted by: Guest on April-22-2021

sum of digits in a whole number javascript

sum = 0;
while (value) {
    sum += value % 10;
    value = Math.floor(value / 10);
}

Posted by: Guest on August-26-2021

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