writable: false means no code can reassign window.Audio to a different value. configurable: false means no code can even call Object.defineProperty again to change those settings. If fermaw’s initialisation code tried to restore the original Audio constructor (a perfectly sensible defensive move) the browser would either fail or throw a TypeError. The hook was permanent for the lifetime of the page.
Цены на нефть взлетели до максимума за полгода17:55，更多细节参见WPS官方版本下载
，推荐阅读heLLoword翻译官方下载获取更多信息
Supervised runtime behavior
Do you have the desire to become a content creator, but not have the money to start? Here are 7 free websites every content creator needs to know.。业内人士推荐夫子作为进阶阅读