util.types.isBigIntObject(value)
如果值是 BigInt 对象(例如由 Object(BigInt(123)) 创建),则返回 true。
¥Returns true if the value is a BigInt object, e.g. created
by Object(BigInt(123)).
util.types.isBigIntObject(Object(BigInt(123)));   // Returns true
util.types.isBigIntObject(BigInt(123));   // Returns false
util.types.isBigIntObject(123);  // Returns false