map.clear() Removes all entries from this map.

map.remove(key) If the map has an entry for the specified key string, removes the entry and returns true. Otherwise

set.clear() Removes all values from this set.

map.each(function) Calls the specified function for each entry in this map, passing the entry’s value and key

map.set(key, value) Sets the value for the specified key string. If the map previously had

set.remove(value) If the set contains the specified value string, removes it and returns true. Otherwise, this

map.values() Returns an array of values for every entry in this map. The order of the returned values is arbitrary.

d3.values(object) Returns an array containing the property values of the specified object (an associative array). The order

nest.key(key) Registers a new key function. The key function will be invoked for each element in the

map.has(key) Returns true if and only if this map has an entry for the specified key string. Note: the value