jquery 如何创建类似java map集合
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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);
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);
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