var Counter = function Counter(val) {
this.x = val;
};
for (let i = 0; i < 500_000; i++) {
new Counter(i);
}
var Counter = function Counter(val) {
Object.defineProperty(this, "counter", {
value: val,
enumerable: true,
configurable: true,
writable: true,
});
};
for (let i = 0; i < 500_000; i++) {
new Counter(i);
}