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<html><body><h1>JavaSript Objects</h1><h2>The defineProperty() Method</h2><p id="demo"></p><script>// Create an Object:const person = { firstName: "John", lastName : "Doe", language : "NO", };// Change a Property:Object.defineProperty(person, "language", { value: "EN", writable : true, enumerable : false, configurable : true});// Enumerate Propertieslet txt = "";for (let x in person) { txt += person[x] + "<br>";}document.getElementById("demo").innerHTML = txt;</script></body></html>