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JS Getters and Setters

Getters and setters allow you to get and set properties via methods.

This example creates a getter for a property called fullName.

// Create an object:
var person = {
  firstName: "John",
  lastName : "Doe",
  get fullName() {
    return this.firstName + " " + this.lastName;
  }
};
// Display data from the object using a getter:
document.getElementById("demo").innerHTML = person.fullName;