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.
这种重资产模式在初期投入巨大,但在价格战进入白热化的阶段,它便构成了难以复制的成本护城河。
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The Writer is not a concrete class. Any object that implements write(), end(), and abort() can be a writer making it easy to adapt existing APIs or create specialized implementations without subclassing. There's no complex UnderlyingSink protocol with start(), write(), close(), and abort() callbacks that must coordinate through a controller whose lifecycle and state are independent of the WritableStream it is bound to.
Москвичи пожаловались на зловонную квартиру-свалку с телами животных и тараканами18:04
60岁的挪威经济学家、世界经济论坛总裁布伦德在2月26日宣布辞职。此前几周,这个全球顶级政经精英组织针对布伦德与爱泼斯坦的关系进行了独立调查,据称未发现除先前已披露信息之外的其他问题。