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arakno/obj-linking.js

Created January 15, 2020 20:55
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JS object linking through prototype chains
Raw
obj-linking.js
var Person = {
first: undefined,
last: undefined,
personMethod: function personMethod() {
console.log( this.first, this.last);
}
};
var Employee = Object.create(Person);
Employee.position = undefined;
Employee.employeeMethod = function employeeMethod() {
console.log(this.position);
};
var Manager = Object.create(Employee);
Manager.position = 'Manager';
Manager.department = undefined;
Manager.managerMethod = function() {
console.log(this.department);
};
// Using a new object
var manager = Object.create(Manager);
manager.first = 'Tom';
manager.last = 'Jones';
manager.department = 'Housewares';
manager.employeeMethod(); // Manager
manager.personMethod(); // Tom Jones
manager.managerMethod(); // Housewares
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