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<!DOCTYPE html>
<html>
<body>
<h1>JavaScript Objects</h1>
<h2>The Object.defineProperty() Method</h2>
<p>This example changes a property value.</p>
<p id="demo"></p>
<script>
// Create an object:
const person = {
  firstName: "John",
  lastName: "Doe",
  language: "EN" 
};
// Change a property
Object.defineProperty(person, "language", {value:"NO"})
// Display Property
document.getElementById("demo").innerHTML = person.language;
</script>
</body>
</html>