JSFiddle - React, Tailwind, and code Playground

by Alexander

JavaScript

"use strict";
console.clear();


function myClass(){
    Object.defineProperty(this, "MYCONSTANT", {
        value: 123,
        writable: false,
        enumerable: true,
        configurable: true
    });
};

var o1 = new myClass();
    
console.log( o1.MYCONSTANT );
console.log( o1.MYCONSTANT = 2 );