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<html><body><h1>JavaScript Objects</h1><h2>The getOwnPropertyNames() Method</h2><p>The Object.The getOwnPropertyNames() returns an array with the properties of an object.</p><p id="demo"></p><script>// Create an object:const person = { firstName: "John", lastName: "Doe", age: 50, eyeColor: "blue"};// Get Propertieslet props = Object.getOwnPropertyNames(person);document.getElementById("demo").innerHTML = props[0];</script></body></html>