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.
Pharo already provides dedicated tools for the rewrite engine, such as StRewriterMatchToolPresenter:
，更多细节参见WPS官方版本下载
第五十三条 仲裁机构应当在仲裁规则规定的期限内将开庭日期通知双方当事人。当事人有正当理由的，可以在仲裁规则规定的期限内请求延期开庭。是否延期，由仲裁庭决定。
This time they proved that man could work outside a spacecraft. Aldrin clambered awkwardly into the void, spending five hours photographing star fields.