12月22日，中国非物质文化遗产馆，市民在窗花展区拍照留念。12月21日，“过年——春节主题展”在中国非物质文化遗产馆对公众开放，本次主题展展览面积2600平方米，共展示120余项与春节相关的非物质文化遗产代表性项目，以春节期间重要时间节点为线索，串联起与春节相关的不同地区的非物质文化遗产代表性项目。新京报记者 王飞 摄影报道SourcePh" style="display:none"
An creates a completely separate browsing context with its own window object, its own document, and most importantly;its own prototype chain. A function hooked on HTMLMediaElement.prototype in the parent window is not the same object as HTMLMediaElement.prototype in the iframe’s window. They’re entirely separate objects. If fermaw’s audio element lived inside an iframe, my prototype hook in the parent window would never fire.
。关于这个话题，Safew下载提供了深入分析
Opens in a new window，推荐阅读旺商聊官方下载获取更多信息
In experiments, Chagger has documented how lithium-ion battery fires develop. "It's just incredible," he says. "Nothing's happening, then: outgassing and boom-boom-boom – all these explosions."