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.
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Time-travel debugging might sound like a complex feature reserved for heavy-duty enterprise tools, but it fundamentally comes down to architectural design; it takes less than 100 lines of code to implement, and that figure includes our Effect System.。业内人士推荐heLLoword翻译官方下载作为进阶阅读