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<html><body><h1>JavaScript Objects</h1><h2>The Object.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 propertyObject.defineProperty(person, "year", {value:"2008"})// Display the propertydocument.getElementById("demo").innerHTML = person.year;</script></body></html>