3.IterationStatements.html

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    <h1>HANDSON 3</h1>
    <script>
      // Q1 Find the number of digits ( how many digits in the given number)

      const Find_Digits = (num) => {
        count = 0;
        while (num !== 0) {
          num = parseInt(num / 10);
          count++;
        }
        return count;
      };

      // Q2 Find the Fives.

      const Find_Five = (n) => {
        let count = 0;
        while (n > 0) {
          if (n % 10 == 5) {
            count = count + 1;
            n = n / 10;
            n = parseInt(n);
          }
        }

        return count;
      };

      //Q3 Find Sum of all even number upto n

      const findSum = (n) => {
        {
          let i,
            sum = 0;
          for (i = 2; i <= n; i += 2) {
            sum += i;
          }
          return sum;
        }
      };

      //Q4 Find the sum of the digits of a given number.

      const Number_Sum = (n) => {
        let ans = 0;
        while (n !== 0) {
          let digit = n % 10;
          ans += digit;
          n = n / 10; 
          n = parseInt(n);
        }
        return ans;
      };

      //Q4 Print the Odds bw 2 and n but print 2 first.

      console.log(2);

      const Print_Odd = (n) => {
        for (let i = 2; i < n; i++) {
          if (i % 2 !== 0) {
            console.log(i);
          }
        }
      };

      //Q5 Print the following pattern:
      //    *
      //    **
      //    ***
      //    ****
      //    *****

      const Print_pattern = (n) => {
        for (let i = 1; i <= n; i++) {
          let st = " ";

          for (let j = 1; j <= i; j++) {
            st = st + "*";
          }

          console.log(st);
        }
      };

      //Q6 Check whether a Number is a prime or not.

      const Prime_Check = (n) => {
        let i;
        for (i=1;i<=n;i++) {
          if (n % i === 0) {
            break;
          }
        }
        if (i == n) {
          return "YES";
        } else {
          return "NO";
        }
      };

      //Q7 Print Numbers upto n

      const printNumbers = (n) => {
        for (let i = 1; i <= n; i++) {
          console.log(i);
        }
      };

      //Q8 Print the Table of the given number

      const Print_Table = (N) => {
        for (let i = 1; i <= 10; i++) {
          let res = i * N;
          console.log(N + " * " + i + " = " + res);
        }
      };
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