Copy text to clipboard using javascript. jQuery version.

javascript-copy-jquery.html

<script src="https://code.jquery.com/jquery-3.6.0.min.js" integrity="sha256-/xUj+3OJU5yExlq6GSYGSHk7tPXikynS7ogEvDej/m4=" crossOrigin="anonymous"></script>
<script src="https://code.jquery.com/jquery-migrate-3.4.0.min.js" integrity="sha256-mBCu5+bVfYzOqpYyK4jm30ZxAZRomuErKEFJFIyrwvM=" crossOrigin="anonymous"></script>
<p>Use our support
  email
  <a href='mailto:support@domain.com'>support@domain.com</a>
  <a href='javascript:;' class='btnCopy'><input type='hidden' readonly value='support@domain.com'/><sup>⧉</sup></a>
  to contact us</p>
<script>
  $(document).ready(function() {
    var $elements = $(".btnCopy");
    $elements.each(function() {
      $(this).click(function(e) {
        e.preventDefault();
        var $buttonElement = $(this),
            text           = $("input", $buttonElement).val();
        navigator
          .clipboard
          .writeText(text)
          .then(function() {
            alert("Copied to clipboard!");
          }, function() {
            alert('Copying to clipboard failed!');
          });
      });
    });
  });
</script>