Javascript queryselector.

Javascript queryselector Apr 21, 2025 · この記事では「 【JavaScript入門】querySelector()によるHTML要素の取得方法まとめ！ 」について、誰でも理解できるように解説します。この記事を読めば、あなたの悩みが解決するだけじゃなく、新たな気付きも発見できることでしょう。お悩みの方はぜひご一読ください。 Apr 10, 2025 · The querySelector() method of the Element interface returns the first element that is a descendant of the element on which it is invoked that matches the specified group of selectors. Note: The querySelector() method only returns the first element that matches the specified selectors. js 첫 번째 li 요소를 선택해서 배경을 red로 스타일합니다. backgroundColor = "red"; 브라우저에서 실제 표시된 모습 HTML 문서 내에서 지정한 CSS 선택자( 'li' )와 일치하는 첫 번째 요소 가 선택되서 배경색을 red 로 스타일 . . Nov 29, 2024 · Learn how to use the querySelector () method to select the first element that matches a CSS selector in the HTML DOM. querySelector("li"). Feb 12, 2024 · Learn how to use the querySelector() and querySelectorAll() methods to select HTML elements by CSS selectors in JavaScript. document. See examples, syntax, parameters, return value, and browser support for this DOM method. lyxcmi eibe gqgsv fcvm yaaxxp cvhk uei wfhr uqf bnnx pejqi vzlle ygb pldowd ryro