The HTML class attribute specifies one or more class names for an element; Classes are used by CSS and JavaScript to select and access specific elements; The class attribute can be used on any HTML element; The class name is case sensitive; Different HTML elements can point to the same class name

The class attribute specifies one or more classnames for an element. The class attribute is mostly used to point to a class in a style sheet. However, it can also be used by a JavaScript (via the HTML DOM) to make changes to HTML elements with a specified class.

Oct 17, 2024 · The HTML class attribute is used to assign one or more CSS classes to an HTML element. By using classes, you can group elements together and apply consistent styles across them, streamlining both design and functionality.

Use class_name.class_attribute or object_name.class_attribute to access the value of the class_attribute. Use class attributes for storing class contants, track data across all instances, and setting default values for all instances of the class.

Apr 30, 2024 · Class attributes are shared among all instances of a class and are defined within the class itself. Example: In this example, The code defines a class (`MyClass`) with a class attribute (`class_attribute`).

An attribute denotes a part of an aggregate object, and so is used during analysis as well as design to express a singular property of the class. Using the language-independent syntax, an attribute may have a name, a class, or both, and optionally a default expression: A:C=E .

Feb 24, 2025 · The class attribute is a list of class values separated by ASCII whitespace. Each class value may contain any Unicode characters (except, of course, ASCII whitespace). However, when used in CSS selectors, either from JavaScript using APIs like Document.querySelector() or in CSS stylesheets, class attribute values must be valid CSS identifiers .