You may not have noticed this before, but if you can create an array using the Object.create() method. If you did, however, you would notice that Array.isArray(Object.create(Array.prototype)) would…

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Bits and Pieces

In JavaScript, objects can be categorized into Ordinary Objects and Exotic Objects. Exotic objects are any objects that have different internal implementations for their properties. Examples of Exotic object include Array , Proxy , String , Arguments , Modules. ES6 provides some rules by which exotic objects can only be created by following.

Exotic Objects in JavaScript

Whoa. I’ve been coding in JS for such a long time, but first time I’ve heard of exotic objects. Makes sense though.
I liked the bit about array elements having to be configurable for the native methods to remove them. Could be a hard to debug bug if you encounter it somewhere without knowing this.

It enhances my understanding of JS Engine.

So exotic are these <code>Array</code>s!