// constructor function
function Person () {
this.name = 'John',
this.age = 23
}
// creating objects
let person1 = new Person();
let person2 = new Person();
// adding new property to constructor function
Person.prototype.gender = 'Male';
console.log(person1.gender); // Male
console.log(person2.gender); // Malefunction Person(name) {
this.name = name;
}
Person.prototype.getName = function() {
return this.name;
}
var person = new Person("John Doe");
person.getName() //"John Doe"function listAllProperties(o) {
let objectToInspect = o;
let result = [];
while(objectToInspect !== null) {
result = result.concat(Object.getOwnPropertyNames(objectToInspect));
objectToInspect = Object.getPrototypeOf(objectToInspect)
}
return result;
}
var f = function();
var instance = new f();
function Person(first, last, age, eyecolor) {
this.firstName = first;
this.lastName = last;
this.age = age;
this.eyeColor = eyecolor;
}
const myFather = new Person("John", "Doe", 50, "blue");
const myMother = new Person("Sally", "Rally", 48, "green");Object.getPrototypeOf(x);
//Output
ƒ () { [native code] }