JSFiddle - React, Tailwind, and code Playground

JavaScript

var __extends = this.__extends || function(d, b) {
for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
function f() { this.constructor = d; }
f.prototype = b.prototype;
d.prototype = new f();
}
var A = (function () {
    function A() {
        this.fooMem = 10;
    }
    A.fooStat = 10;
    return A;
})();
var B = (function (_super) {
    __extends(B, _super);
    function B() {
        _super.apply(this, arguments);

    }
    return B;
})(A);
;
var b = new B();
alert(b.fooMem.toString());
alert(B.fooStat.toString());