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JS Getters and Setters

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

This example creates a setter and a getter for the language property.

// Create an object:
var person = {
  firstName: "John",
  lastName : "Doe",
  language : "NO",
  get lang() {
    return this.language;
  },
  set lang(value) {
    this.language = value;
  }
};
// Set an object property using a setter:
person.lang = "en";
// Display data from the object using a getter:
document.getElementById("demo").innerHTML = person.lang;