Different accessible labelling methods

1. This button has aria-label:

   X

2. This button has aria-label and an explicit lang attribute:

   X

3. This button has aria-labelledby, and the visually hidden label is outside:

   X Close

4. This button has aria-labelledby, and the visually hidden and aria-hidden label is outside:

   X Close

5. This button has aria-labelledby, and the visually hidden label is inside:

   X Close

6. This button has aria-labelledby, and the visually hidden and aria-hidden label is inside:

   X Close

7. This button has a visually hidden label inside:

   X Close

Check out the GitHub repository for test results!