JSFiddle - React, Tailwind, and code Playground

JavaScript

var F = function(name){
	this.setName(name);
};

F.prototype.setName = function (name){
	this.name = name
}

F.prototype.getName = function (){
	return this.name
}

var obj1 = new F('Сергей'),
	obj2 = new F('Андрей')


console.log(F.prototype === obj1.__proto__)

console.log(obj1.getName())
obj1.setName('Василий')
console.log(obj1.getName())