Ryan Boudreaux continues his tutorial on getting acquainted with jQuery by showing you how to get objects by ID and Class selectors and by Tag and Attribute.

はじめに：なぜ「クラス」と「ID」を使い分けるのか？ HTMLとCSSでのスタイル設計において、class と id は最も基本的なセレクタですが、その「役割の違い」を正確に理解することは、拡張性・保守性・再利用性・意図の明瞭性といったWeb開発の根幹に関わってまいります。 本稿では、両者の機能 ...

In the last example, the first paragraph was assigned a unique id and the related style was applied using the CSS # selector.

Tailwind CSS Purge Error: Unexpected class selector. This happens when Tailwind's purge feature removes classes used in your application due to an improper configuration or use of unsupported classes.

Google's John Mueller was asked if Google "looks at "CSS .Class" to comprehend the structure of a page; or a section of content that clarifies its SERP Features." John responded on Twitter saying ...

CSS Specificity Issue: Unexpected Color Inheritance This repository demonstrates a subtle issue related to CSS specificity. The problem involves understanding how selectors with different levels of ...

Well, after much resistance, I've taken the plunge and am trying to understand styles, CSS, Class vs. ID, Page layout/flow, etc.I've picked up the book "HTML for the WWW (w/ XHTML and CSS) 5th Ed ...

But littering your markup with class names is not ideal. To make life easier, and your CSS more readable, Mozilla proposed the -any() pseudo selector.