is

Removes all elements from map.

BiMap.prototype.clear();
// --> undefined

const BiMap = require('extra-bimap');

var m = new BiMap();
// BiMap [Map] {}

m.set(1, 'a');
// BiMap [Map] { 1 => 'a' }

m.set(2, 'b');
// BiMap [Map] { 1 => 'a', 2 => 'b' }

m.clear();
// BiMap [Map] {}