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<html><body><h2>JavaScript Functions</h2><p>This example calls the fullName method of person, using it on person1:</p><p id="demo"></p><script>const person = { fullName: function(city, country) { return this.firstName + " " + this.lastName + "," + city + "," + country; }}const person1 = { firstName:"John", lastName: "Doe"}const person2 = { firstName:"Mary", lastName: "Doe"}document.getElementById("demo").innerHTML = person.fullName.call(person1, "Oslo", "Norway"); </script></body></html>