JavaScript Map Methods

Question 1

set(key, val)

Answer 1

sets the value of a specific key in the map

Question 2

Get(key)

Answer 2

Returns the value associated with a specified key in the map

Question 3

has(key)

Answer 3

returns a Boolean indicating whether a map contains a key

Question 4

delete(key)

Answer 4

removes the related key and value and returns Boolean indicating whether entry was deleted.

Question 5

keys()

Answer 5

returns an array of keys

Question 6

values()

Answer 6

returns an array of values

Question 7

entries()

Answer 7

Returns a new iterator containing an array of key value pairs

Question 8

size

Answer 8

returns the number of entries

Question 9

clear()

Answer 9

Removes all the elements from the map