4 ms·
What you want is to use is a map, not a JavaScript object. Here you go: const m = new Map(); m.set("__alpha__", 10); m.set("__bravo__", 20); m.
by dchest 11y ago
What you want is to use is a map, not a JavaScript object. Here you go:
const m = new Map();
m.set("__alpha__", 10);
m.set("__bravo__", 20);
m.set("__proto__", 30);
for (let k of m.keys()) {
console.log(k);
}