How js creates empty objects

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Create an empty object

You can use {} to create an object that looks empty, but it still has _ _ proto__ and the usual hasOwnProperty and other object methods. However, there is one way to create a pure "dictionary" object:

Let dict = Object.create (null); / / dict.__proto__ = = "undefined" / / No object properties exist until you add them

The objects created in this way are pure, have no attributes or objects, and are very clean.

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