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var map = {}; // Map map = new HashMap();
map[key] = value; // map.put(key, value);
var value = map[key]; // Object value = map.get(key);
var has = key in map; // boolean has = map.containsKey(key);
delete map[key]; // map.remove(key);标签：
原文地址：http://www.cnblogs.com/sweetchildomine/p/5829282.html
