目录MongoDB简介1.MongoDB主要特点1.1文档数据库1.2高性能1.3高可用性1.4 水平可扩展1.5支持多个存储引擎2.应用场景MongoDB通过查询与游标彻底玩转分布式文件存储一、查询1、find()基本用法2、指定要返回的键3、查询
I need from document object or from a DOM element (i.e. a DIV) to know which is its window object. In Firefox I can do: