Optionaldescription: string | numberDescription of the new Symbol object.
ReadonlyasyncReadonlyasyncA method that returns the default async iterator for an object. Called by the semantics of the for-await-of statement.
ReadonlydisposeReadonlyhasA method that determines if a constructor object recognizes an object as one of the constructor’s instances. Called by the semantics of the instanceof operator.
ReadonlyisA Boolean value that if true indicates that an object should flatten to its array elements by Array.prototype.concat.
ReadonlyiteratorA method that returns the default iterator for an object. Called by the semantics of the for-of statement.
ReadonlymatchA regular expression method that matches the regular expression against a string. Called by the String.prototype.match method.
ReadonlymatchA regular expression method that matches the regular expression against a string. Called by the String.prototype.matchAll method.
ReadonlymetadataReadonlyprototypeA reference to the prototype.
ReadonlyreplaceA regular expression method that replaces matched substrings of a string. Called by the String.prototype.replace method.
ReadonlysearchA regular expression method that returns the index within a string that matches the regular expression. Called by the String.prototype.search method.
ReadonlyspeciesA function valued property that is the constructor function that is used to create derived objects.
ReadonlysplitA regular expression method that splits a string at the indices that match the regular expression. Called by the String.prototype.split method.
ReadonlytoA method that converts an object to a corresponding primitive value. Called by the ToPrimitive abstract operation.
ReadonlytoA String value that is used in the creation of the default string description of an object. Called by the built-in method Object.prototype.toString.
ReadonlyunscopablesAn Object whose truthy properties are properties that are excluded from the 'with' environment bindings of the associated objects.
Returns a Symbol object from the global symbol registry matching the given key if found. Otherwise, returns a new symbol with this key.
key to search for.
Returns a key from the global symbol registry matching the given Symbol if found. Otherwise, returns a undefined.
Symbol to find the key for.
Returns a new unique Symbol value.