JavaScript constructor Property.html

<!DOCTYPE html>
<html>

<body>

  <h2>The JavaScript constructor Property</h2>

  <p>The constructor property returns the constructor function for a variable or an
    object.</p>

  <p id="demo"></p>

  <script>
    document.getElementById("demo").innerHTML =
      "john".constructor + "<br>" +
      (3.14).constructor + "<br>" +
      false.constructor + "<br>" +
      [1, 2, 3, 4].constructor + "<br>" +
      { name: 'john', age: 34 }.constructor + "<br>" +
      new Date().constructor + "<br>" +
      function () { }.constructor;
  </script>

</body>

</html>