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<html><body><h1>JavaScript Objects</h1><h2>The prototype Property</h2><p id="demo"></p><script>function Person(first, last, age, eye) { this.firstName = first; this.lastName = last; this.eyeColor = eye;}const myFather = new Person("John", "Doe", "blue");const myMother = new Person("Sally", "Rally", "green");Person.prototype.nationality = "English";document.getElementById("demo").innerHTML ="My father is " + myFather.nationality + "<br>" +"My mother is " + myMother.nationality;</script></body></html>