let obj1 = {}; Object.defineProperty(obj1, Symbol.toStringTag, { value: 'Obj1' }); let obj2 = {}; Object.defineProperty(obj2, Symbol.toStringTag, { value: 'Obj2' }); console.log(Object.prototype.toString.call(obj1));//[object Obj1] console.log(Object.prototype.toString.call(obj2));//[object Obj1]
