Allen
实测支持
> So where is the end of the prototype chain. @mdAliMaaz [[What is the end of prototype chain in JavaScript -- null or Object.prototype?](https://stackoverflow.com/questions/36692927/what-is-the-end-of-prototype-chain-in-javascript-null-or-object-prototype) This may helps u
> Hi, great work first of all. I can see there's 9 chapters altogether and wonder if there would be more to come. Thanks :) > Hi, great work first...
> 作为npn包引入 --> 作为npm包引入 已修改，thanks