本集视频：
- Jake 不太擅长测验。
- NodeIterator 和 TreeWalker。
- Safari 中激动人心的新功能。
- Firefox
<select>。 - 使用效果为高度添加动画效果。
- 取消抓取：
测验、动画制作和取消
如未另行说明，那么本页面中的内容已根据知识共享署名 4.0 许可获得了许可，并且代码示例已根据 Apache 2.0 许可获得了许可。有关详情，请参阅 Google 开发者网站政策。Java 是 Oracle 和/或其关联公司的注册商标。
最后更新时间 (UTC)：2025-07-25。
[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["没有我需要的信息","missingTheInformationINeed","thumb-down"],["太复杂/步骤太多","tooComplicatedTooManySteps","thumb-down"],["内容需要更新","outOfDate","thumb-down"],["翻译问题","translationIssue","thumb-down"],["示例/代码问题","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["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"]]