Check out example codes for "facebook share link html". It will help you in understanding the concepts better.

Code Example 1

<a class="btn-floating btn btn-tw" type="button" role="button" title="Share on facebook"
   href="https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fparse.com" target="_blank"
   rel="noopener">
  <i class="fab fa-2x fa-facebook-square"></i>
</a>

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