What are the advantages of utilizing CSS pseudo-elements "before" and "after" over just using span tags?

After conducting my research, it seems that CSS pseudo-elements ::before and ::after function similarly to nested span tags within a parent element.

However, some sources suggest that they can be highly beneficial and even necessary in certain scenarios. If this is the case, it implies that they offer unique advantages or functionalities that go beyond simply using span tags within the parent element.

What are the advantages of utilizing CSS pseudo-elements over span tags?

Answer №1

One popular application of the ::before and ::after selectors is to dynamically insert content into an element using CSS alone, eliminating the need to modify the HTML code directly. This approach is particularly useful when HTML alterations are not possible or when adhering to semantic guidelines.

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