Optional
entries: null | Iterable<[string, ManagedValue<any>]>Readonly
[toReadonly
sizeStatic
Readonly
[species]Returns an iterable of entries in the map.
Returns an iterable of key, value pairs for every entry in the map.
Executes a provided function once per each key/value pair in the Map, in insertion order.
Optional
thisArg: anyReturns a specified element from the 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.
Returns the element associated with the specified key. If no element is associated with the specified key, undefined is returned.
Adds a new element with a specified key and value to the Map. If an element with the same key already exists, the element will be updated.
Returns an iterable of values in the map
Returns
the number of elements in the Map.