@nakajmg 氏がWeb Components使うときにハマったポイント3つという記事を書いてて気になったので調べてたメモ。 Web Componentsを構成する中でコンポーネントのスタイリングをするのは往々にしてあるけど、それに<link>は使えないので<style>にCSSを書くしかなさ気な話。 Shadow DOMに<link>が入っているNGケース <template id="tmpl"> <link rel="stylesheet" href="x-element.css"> <div>This is x-element!</div> </template> <script> window.XElement = (function () { var doc = document.currentScript.ownerDocument; var XElementPrototy
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