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摘要：1、通过document.createRange方法创建的Range无法正确执行createContextualFragment，需要document.getSelection().getRangeAt(0).createContextualFragment这样才行；2、document.createRange得到的range也无法直接insertNode进去一个documentFragment;比如f=range.createContextualFragment('<div>的解放路</div>');range.isertNode(f)会报错;3、se 阅读全文

摘要：In ECMAScript 5 (and some ECMAScript 3 implementations), reserved words may beused as property names without quoting. In general, however, property names that arereserved words must be quoted in ECMAScript 3. In ECMAScript 5, a trailing commafollowing the last property in an object literal is ignore 阅读全文

摘要：13.5.1 End-to-end and Hop-by-hop HeadersFor the purpose of defining the behavior of caches and non-caching proxies, we divide HTTP headers into twocategories:· End-to-end headers, which are transmitted to the ultimate recipient of a request or response. End-to-endheaders in responses MUST be st 阅读全文