The HTML class attribute is used to specify a class for an HTML element.
Multiple HTML elements can share the same class.
The class Attribute
The class attribute is often used to point to a class name in a style sheet. It can also be used by a JavaScript to access and manipulate elements with the specific class name.
In the following example we have three <div> elements with a class attribute with the value of “city”. All of the three <div> elements will be styled equally according to the .city style definition in the head section: Continue reading HTML class Attribute