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.
She herself is a fan: "They are spicy and that's what keeps grabbing our eyeballs."
，推荐阅读WPS官方版本下载获取更多信息
停产 CCD 相机再翻红，涨价达数倍。业内人士推荐safew官方下载作为进阶阅读
第三十四条 国务院核工业主管部门会同有关部门制定核技术应用产业发展指导意见。