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.
英國國家社會研究中心的資深研究員約翰·柯蒂斯爵士（Prof Sir John Curtice）表示，他們每年持續得到相同趨勢，讓他對其結果比對YouGov的兩個單點數字更有信心。
，这一点在搜狗输入法下载中也有详细论述
是囿于一时一事的得失，还是着眼打基础、利长远的实绩？，推荐阅读同城约会获取更多信息
Цены на нефть взлетели до максимума за полгода17:55