Question

How to use set (setter) and get (getter) properties in constructor function with JavaScript

Answer 1

function Worker(_id, name) {
    let id = _id;
    this.name = name;
    this.show = function() {
        console.log(id + ' ' + this.name);
    }
    Object.defineProperty(this, 'WID', {
        get: function() { return id; },
        set: function(value) { id = value; }
    });
}
  
const worker = new Worker(2345, 'Tom');
worker.show();

console.log(worker.id);

console.log(worker.WID);
worker.WID = 897421;

worker.show();
  
  
  
/*
run:
  
2345 Tom
undefined
2345
897421 Tom
  
*/

 

70+ SQL courses for beginners and professionals