It's very likely that…

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I repeatedly see certain bad practices in HTML that ironically contain clues for implementing them properly in their class names or in the way they're built. In this evergreen post, I collect them.

…if you're using javascript:void(0) as the value of the href attribute, the element you're actually looking for is <button>. 

<a href="javascript:void(0);">
  Open modal
</a>

More accessible alternative:

<button>
  Open modal
</button>

Explanation

The role of <a> is link and the role of <button> is button. Users have certain expectations when they find an element. A general rule of thumb: Use a link if it takes you somewhere else. Use a button if you submit a form or run JavaScript.

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