Interface WeakMap<K, V>

interface WeakMap<K, V> {
    [toStringTag]: string;
    delete(key: K): boolean;
    get(key: K): V;
    has(key: K): boolean;
    set(key: K, value: V): this;
}

Type Parameters

K extends WeakKey
V

Index

Properties

Methods

delete get has set

Properties

`Readonly`[toStringTag]

[toStringTag]: string

Methods

delete

delete(key): boolean
Removes the specified element from the WeakMap.
Parameters
- key: K
Returns boolean
true if the element was successfully removed, or false if it was not present.

get

get(key): V
Parameters
- key: K
Returns V
a specified element.

has

has(key): boolean
Parameters
- key: K
Returns boolean
a boolean indicating whether an element with the specified key exists or not.

set

set(key, value): this
Adds a new element with a specified key and value.
Parameters
- key: K
  Must be an object or symbol.
- value: V
Returns this