JavaScript Accessors (Getters and Setters)
ECMAScript 5 (ES5 2009) introduced Getter and Setters.
Getters and setters allow you to define Object Accessors (Computed Properties).
JavaScript Getter (The get Keyword)
This example uses a lang property to get the value of the language property.
Example
// Create an object:
const person = {
firstName: "John",
lastName: "Doe",
language: "en",
get lang() {
return this.language;
}
};
// Display data from the object using a getter :
document.getElementById("demo").innerHTML = person.lang;
JavaScript Setter (The set Keyword)
This example uses a lang property to set the value of the language property. Continue reading JavaScript Object Accessors