What is the use of the MAP in Angular 4?

1.	What is the use of the MAP in Angular 4?
Answer» In Angular 4, Map is a data STRUCTURE used for mapping keys to values without the limitations involved in using OBJECTS. A Map can be created with the help of a new keyword and then various entries can be added to increase the functionalities with the help of a set method. This data structure is also chainable. A map can be initialized with the help of an array of key-value PAIRS.

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