Object.hasOwnProperty() in Javascript

Published: 13 July 2023
on channel: Netcreed

There are three different ways to check if a property exists on an object in Javascript.

The first method is to check if the property is not equal to undefined

The second method is that use the in operator to check if the property is in the object.

The third method would be to use the Object hasOwnProperty method. This method accepts two arguments. The object is the first argument we pass to this method while the property you to want to check for is the second argument. Return a boolean.

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