Function data

FlashViewer-HTML5 Video/flashViewer.user.js:353–366

(obj, key, value)

            function data(obj, key, value) {
                var id = cache.objs.indexOf(obj);
                if (id == -1) {
                    id = cache.objs.push(obj) - 1;
                };
                if (!cache.data[id]) {//初始化
                    cache.data[id] = {};
                };
                if (typeof value == 'undefined') {// 取值
                    return typeof key == 'undefined' ? cache.data[id] : cache.data[id][key];
                } else {
                    return cache.data[id][key] = value;
                };
            };

            return data;
        })();