The ECMAScript 5 target was important for a long time to support legacy browsers; but its successor, ECMAScript 2015 (ES6), was released over a decade ago, and all modern browsers have supported it for many years.
圖像來源，Getty Images。PDF资料是该领域的重要参考
。电影对此有专业解读
而从另一层面来看，抖音此举也很显然是在对标微信所构建的完整生态体系。根据QuestMobile数据，截止2025年10月，抖音月活为9.07亿。而微信的月活则已超过14亿。用户体量仍存在差距。目前，抖音月活跃用户数目前居全网第二，仅次于微信。。关于这个话题，一键获取谷歌浏览器下载提供了深入分析
Context is the reason the System Browser remains hard to beat.