HTML class Attribute

Subject: html

🎯 HTML class Attribute

The class attribute in HTML allows you to group multiple elements under a common name. It's primarily used to apply CSS styles or JavaScript behavior to a group of elements. Unlike id, classes are reusable—multiple elements can share the same class name.

❓ What Is a Class?

A class is an identifier applied using the class attribute:

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You can apply multiple classes by separating them with spaces:

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🚀 Why Use Classes?

  • 🔁 Apply the same styles to many elements
  • 🧪 Target groups of elements in JavaScript
  • 🧼 Organize HTML and CSS for better maintenance
  • 📦 Enable modular, reusable code patterns

💡 Example: Using Classes with CSS

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📌 Key Points About Classes

  • 🔄 Reusable: A class can be used on many elements
  • 🎨 Flexible: Multiple classes can be combined for composite effects
  • 🎯 CSS Targeting: Classes are selected with a dot (.) in CSS (e.g., .highlight)
  • 🧱 Helps keep code modular, readable, and maintainable

🧠 Key Takeaway

  • Use the class attribute to group elements for styling or scripting
  • Multiple elements can share the same class name
  • Multiple classes can be applied to one element for layered styles
  • Choose meaningful class names for better code structure and reusability
  • Classes are essential for clean, scalable HTML/CSS architecture
Next: HTML ID Attribute