测验、动画制作和取消
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最后更新时间 (UTC):2025-07-25。
[null,null,["最后更新时间 (UTC):2025-07-25。"],[],["The content covers various web development topics, including `NodeIterator` and `TreeWalker` APIs. It highlights new Safari features and a Firefox `\u003cselect\u003e` update. Performance considerations for animating height are discussed, alongside the topic of Fetch canceling. Additionally, there's a mention of someone's quiz performance and a link to subscribe to an RSS feed for the content.\n"]]