Is an empty h1 allowed?

Question

HTML

There is a tag Will search engines swear at this? Need this kind of tag
<h1 class="header" data-text="Заголовок"></h1>

Answer 1

Unacceptable, they will swear.
A site with non-semantic and invalid layout cannot be considered optimized for search engines.

Answer 2

Why the hell do you need it? In fact, no one needs it, and this is idiocy, a question from the category of I'm a fool, can you?
The obvious answer is no