JavaScript map object is used to store the elements as key-value pair. All the operation like search, add, update, delete are done using key.
Syntax:
new Map([iterable])
Parameters:
iterable: It represents the object whose elements are in the form of key-value pair.
Note: Map object can not contain the duplicate keys but can contain duplicate values.
JavaScript Map Methods:
clear()
Use: To remove all the elements from a Map object.
delete()
Use: To delete the specified element from a Map object.
entries()
Use: To return an object of Map iterator that contains the key-value pair for each element.
forEach()
Use: To execute the specified function once for each key/value pair.
get()
Use: To return the value of specified key.
has()
Use: To indicate whether the map object contains the specified key element.
keys()
Use: To return an object of Map iterator that contains the keys for each element.
set()
Use: To add or update the key-value pairs to Map object.
values()
Use: To return an object of Map iterator that contains the values for each element.
