Understanding CSS Class and ID Selectors: A Complete Guide
Class and id selectors are commonly used in CSS selectors. This article shows the usage of both the selectors and their significance. When building a website, managing styles for various elements is essential. CSS selectors—especially class and id selectors—play a major role in this process. Understanding how to use them effectively can make your stylesheets more organized and help improve performance. In this article, we'll dive into the differences between class and id selectors, when to use them, and best practices for naming and performance optimization. Id selectors are defined as unique identifiers for elements and can be used only once per page. Class selectors are used when you consistently style multiple elements of a page. Classes are used when multiple elements share the same style, while id selectors are used for unique purposes like the main header or footer of the page. Example: <p class="class_one">This is a paragraph</p> ...