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.
Every additional bureaucratic hurdle reduces diversity in the software ecosystem and concentrates power in the hands of large established players who can more easily absorb such compliance costs.
，详情可参考heLLoword翻译官方下载
Two characters might have identical Unicode skeletons but render differently in specific fonts, or have different skeletons but render identically in a particular typeface. Detecting this requires rendering glyphs and comparing pixel output. No purely Unicode-data-based approach handles it, and UTS #39 does not attempt to.
▲METR 此前的研究显示 AI 工具对开发人员生产力的影响，导致生产力下降了 20%；但 METR 表示现在这一发现已经过时，生产力提升似乎更有可能｜图片来源：https://x.com/METR_Evals/status/2026355544668385373/
// 作用：通过最值判断是否需要扩展左/右边界（左侧最小值/右侧<最大值的元素都需纳入无序区间）