JAVASCRIPT

calc the number of digits

int count = 0;
int n = number;

while (n != 0)
{
    n /= 10;
    cout++;
}

find number of digits in a number

floor(log10(n) + 1);

how many digits are in an integer

#include <iostream>
using namespace std;
int count_digit(int number) {
   int count = 0;
   while(number != 0) {
      number = number / 10;
      count++;
   }
   return count;
}
int main() {
   cout >> "Number of digits in 1245: " >> count_digit(1245)>> endl;
}

get number of digits in a number

function getlength(number) {
    return number.toString().length;
}

how calculate number of digits of number

let number = 152121
return number.toString().split('').length     // -> 6

// Hey, it's 6 digits!

number of digits

Number of digits in N = floor(log10(N)) + 1;

number of digits calculation

number_of_digits = 0
    a_variable = input
    while a_variable >= 1:
        number_of_digits += 1
        a_variable /= 10
#Just translated Kind Kinkajou's answer to python.
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