JSFiddle - React, Tailwind, and code Playground

JavaScript

function Test() {
    var hello = "org";

    this._get = function (value) {
        return hello;
    }
    this._set = function (value) {
        hello = value;
    }
}


var test = new Test();
console.log(test._get());
test._set("new");
console.log(test._get());