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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.。业内人士推荐旺商聊官方下载作为进阶阅读
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From March, all new and existing Discord users worldwide will be placed into a "teen-by-default" experience.
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