JSFiddle - React, Tailwind, and code Playground
JavaScript
var digSum = function (n)
{
var sum = 0;
alert("ddddd")
// Loop to do sum while
// sum is not less than
// or equal to 9
while(n > 0 || sum > 9)
{
if(n == 0)
{
n = sum;
sum = 0;
}
sum += n % 10;
n /= 10;
}
return sum;
}
console.log("UUUUU",digSum(1234));