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This article mainly explains "how to use the class attribute of HTML". The content in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "how to use the class attribute of HTML".

How do I use the class attribute?

The class attribute is used to specify the class name of the element, which is most commonly used on stylesheets and is also partially used on JavaScript. As the name implies, class is used to define a category, which specifies the classification of the element, for example, we set the properties of a class on the stylesheet, and in HTML, just set the class name of the element to the same. As follows:

The class attribute-(yisu.com) .red {color: red;} .blue {color: blue;} the first line is set to the red text

The second line is set to red text

The first line is set to blue text

The second line is set to blue text

In this code, we can see that there are a total of four sentences, and the different sentences are assigned the same class, and the effect is the same.

Of course, not all HTML tags can use class, the following tags do not support the use of class:base, head, html, meta, param, script, title.

We can also assign multiple class to the HTML element at the same time, with each class separated by a space. Such as:

It is also important to note that class names cannot start with a number.

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