WeakMap.prototype.set
The set() method adds a new element with a specified key
and value to a WeakMap object.
Syntax
set(key, value)
Parameters
key- : Required. Must be
object. The key of the element to add to theWeakMapobject.
- : Required. Must be
value- : Required. Any value. The value of the element to add to the
WeakMapobject.
- : Required. Any value. The value of the element to add to the
Return value
The WeakMap object.