Coding and Climbing https://harry-su-blog.com/blog A blog recording my coding and climbing journey zh-TW undefined (Harry) undefined (Harry) Wed, 04 Nov 2026 00:00:00 GMT https://harry-su-blog.com/blog/2026/11/04/shadow-dom Shadow DOM 是什麼？從實際場景理解元件封裝與 CSS 隔離 https://harry-su-blog.com/blog/2026/11/04/shadow-dom Shadow DOM 是瀏覽器原生的封裝機制，能為元件建立獨立的 DOM 與 CSS 邊界。本文整理它解決的問題、實務用法、發展歷史與採用率，並與 CSS Modules、styled-components、Scoped CSS、iframe 比較適用情境。 Wed, 04 Nov 2026 00:00:00 GMT undefined (Harry) shadow-domweb-componentscss