Exercise/10.htm at master · KalariaYash/Exercise · GitHub

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<!-- Write a JavaScript program to check whether a matrix is a diagonal matrix or not. In linear algebra, a diagonal matrix is a matrix in which the entries outside the main diagonal are all zero (the diagonal from the upper left to the lower right). -->
<!DOCTYPE html>
<html>

  <head> </head>

  <body>
    <script>
      let number = +prompt( "Enter a number" );
      let binary;
      if (isNaN(number)) {
        alert ( "Please enter a valid number" );
      }
      else {
      binary = number.toString(2);
      let reversedBinary = "";
      for (let i = binary.length-1; i >= 0; i--) {
            reversedBinary += binary.charAt(i);
      }
      alert ( "Reversed binary number of the given number is " + reversedBinary );
      alert( "Decimal representation of the reversed binary number is " + parseInt(reversedBinary, 2 ));
      }

    </script>
  </body>

</html>