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create-an-object-with-no-properties.md

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Create An Object With No Properties

When you call new Object or even just instantiate an object with {}, you are creating an object that uses the Object prototype. This means it inherits from Object.prototype.

You can deliberately create an object with no properties by making sure that it does not inherit Object.prototype.

> const propertylessObject = Object.create(null);
{}

> propertylessObject.__proto__
undefined

Unlike most objects that we encounter as we write JavaScript, this object we created with Object.create(null) has no properties including no __proto__.

See Object.create and Object.prototype for more details.