WeakMap Basics Lab

Medium
4
37.5% Acceptance

In this lab, you will be learning about the basics of WeakMap in JavaScript. You will be required to create a WeakMap instance with given data, set key-value pairs, get values using keys, and delete keys.

WeakMaps are a special type of Map that allows garbage collection of keys. They only hold weakly referenced keys, allowing their values to be garbage collected if there are no other references to the key objects. This can be helpful when working with large datasets or in memory-sensitive environments.

Key concepts learned in this lab:

  1. Creating WeakMap instances
  2. Adding key-value pairs to WeakMap
  3. Accessing values using keys
  4. Deleting keys from WeakMap

Remember to always refer to the MDN documentation for syntax and usage information: WeakMap