JS Dasar: 12. operator unary

by istiq20

HTML

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <title>Operator unary</title>
  </head>
  <body>
    <script>
      let result = +1;
      document.writeln("<p>" + result + "</p>");

      result--; // result = result - 1; result -= 1; 0
      document.writeln("<p>" + result + "</p>");

      result++; // result = result + 1; result += 1; 1
      document.writeln("<p>" + result + "</p>");

      result = -result; // -1
      document.writeln("<p>" + result + "</p>");
    </script>
  </body>
</html>