JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://www.steamdev.com/zclip/js/jquery.zclip.min.js"></script>
<button data-clipboard-text="[email protected]" class="copyMails" title="Copier les adresses emails">
    Copier les adresses emails
</button>

JavaScript

$(function () {
    $(document).on("mouseover", ".copyMails", function (evt) {
       var $btn = $(this);
       $btn.zclip({
            path: 'http://www.steamdev.com/zclip/js/ZeroClipboard.swf',
            copy: $btn.data("clipboard-text"),
            afterCopy: function () {
                   console.log($btn.data('clipboard-text') + " was copied to clipboard");
            }
        });
    });
  });