zig.com Result Size: 625 x 565
x
 
<!DOCTYPE html>
<html>
<body>
<h1>JavaScript Object</h1>
<h2>The defineProperty() Method</h2>
<p>This example adds a new property to an object.</p>
<p id="demo"></p>
<script>
  // Create an Object:
  const person = {
    firstName: "John",
    lastName: "Doe",
    language: "EN"
  };
  // Add a Property
  Object.defineProperty(person, "year", { value: "2008" })
  // Display the Property
  document.getElementById("demo").innerHTML = person.year;
</script>
</body>
<!-- /js/tryit.asp?filename=tryjs_object_defineproperty_1  Thu, 06 Feb 2025 19:15:31 GMT -->
</html>