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<html><body><h1>JavaScript Object Constructors</h1><p id="demo"></p><script>// Constructor Function for Person Objectsfunction Person(firstName,lastName,age,eyeColor) { this.firstName = firstName; this.lastName = lastName; this.age = age; this.eyeColor = eyeColor;}// Create a Person Objectconst myMother = new Person("Sally","Rally",48,"green");Person.prototype.changeName = function (name) { this.lastName = name;}// Change NamemyMother.changeName("Doe");// Display Namedocument.getElementById("demo").innerHTML ="My mother's last name is " + myMother.lastName;</script></body></html>