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.
* @param arr 数组
，更多细节参见51吃瓜
-storage: Storage，详情可参考Line官方版本下载
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（一）已满十四周岁不满十六周岁的；