What is the use of the Weakmap object in JavaScript?

1.	What is the use of the Weakmap object in JavaScript?
Answer» The WEAKMAP object is BASICALLY a collection of key or value pairs where the keys are weakly referenced. It provides a way for extending OBJECTS from the outside without meddling into the garbage collection. Here are some use cases of Weakmap objects: Maintaining private data about a SPECIFIC object while only GIVING access to people having a reference to the Map. Safekeeping of data related to the library objects without making any changes to them or incurring any overhead. Keeping of data related to the host objects such as DOM nodes in the browser.

Answer»

The WEAKMAP object is BASICALLY a collection of key or value pairs where the keys are weakly referenced. It provides a way for extending OBJECTS from the outside without meddling into the garbage collection.

Here are some use cases of Weakmap objects:

Maintaining private data about a SPECIFIC object while only GIVING access to people having a reference to the Map.
Safekeeping of data related to the library objects without making any changes to them or incurring any overhead.
Keeping of data related to the host objects such as DOM nodes in the browser.

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What is the use of the Weakmap object in JavaScript?

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