Find sum of digits in a given number
Notes:
Compute the Sum of Digits in a given Integer:
Program to find sum of digits of a number using while loop:
var num=12;
var lastDigit=0;
var sumOfAllDigits=0;
while(num!=0)
{
lastDigit= num % 10;
sumOfAllDigits = sumOfAllDigits + lastDigit;
num = parseInt(num/10);
}
document.write("Sum of all digits : ", sumOfAllDigits);
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