The get () method returns a specified element from a Map object. If the value that is associated to the provided key is an object, then you will get a reference to that object and any change made to that object will effectively modify it inside the Map object. Standard évolutif Compatibilité des navigateurs. Ce tableau de compatibilité a été généré à partir de données structurées. We can extract a value from typescript map by using the get method: map. We can check to see if a key is present using the has method: map. We can delete entries from typescript map using the delete method: map. We can empty an entire Map by using the clear method in typescript map. Map is a data structure, used to store key value pair of any type like any other languages and remembers the original order of insertion of the keys. Otherwise, it returns false. Ask Question Asked year, months ago.