Method has

web/main.js:1170–1176

(target, key)

    return result;
  }
  has(target, key) {
    const result = Reflect.has(target, key);
    if (!isSymbol(key) || !builtInSymbols.has(key)) {
      track(target, "has", key);
    }
    return result;
  }
  ownKeys(target) {
    track(
      target,