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<!DOCTYPE html> <html> <body> <h2>JavaScript Object.defineProperty()</h2> <p>This example uses the defineProperty() method to add a getter and a setter.</p> <p id="demo"></p> <script> // Create an object: const person = {firstName:"John", lastName:"Doe"}; // Define a getter Object.defineProperty(person, "fullName", { get: function () {return this.firstName + " " + this.lastName;} }); // Display full name document.getElementById("demo").innerHTML = person.fullName; </script> </body> </html>
