Thread by @csaba_kissi

5 Javascript tips you'll wish you knew earlier.👇

You can use the "typeof" operator to check the value type at runtime.

For example:

The "instanceof" operator can be used to determine whether an object is an instance of a specific constructor or class.

For instance:

The "in" operator can be used to determine whether an object possesses a specific property.

For instance:

You can get an array of an object's enumerable properties by using the "Object.keys()" method.

For instance:

The "Object.entries()" method returns an array of an object's enumerable property key-value pairs.

As an example:

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In this case I used Carbon