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.
（十一）加大投入保障。各级教育部门、各级科协应加强对高校科普工作的条件保障和经费支持。高校应统筹相关资金用于科普工作，并积极拓宽资金来源渠道，吸引社会捐赠支持科普工作。。关于这个话题，同城约会提供了深入分析
A single dose of stem cells can help older people with frailty build up their endurance. Plus, how to successfully make a career pivot and what ‘adulthood’ really means.。业内人士推荐safew官方下载作为进阶阅读
We, the undersigned organizations representing civil society, nonprofit institutions, and technology companies, write to express our strong opposition to Google’s announced policy requiring all Android app developers to register centrally with Google themselves in order to distribute applications outside of the Google Play Store, set to take effect worldwide in the coming months.