JSFiddle - React, Tailwind, and code Playground

HTML

<a data-url="http://code-bude.net" href="http://twitter.com/share?url=/&text=Beitrag gelesen auf http://code-bude.net" class="share-twitter">{counter}</a>

JavaScript

$(document).ready(function() {
    $.each($('.share-twitter'), function(i, v) {
    var url = $(this).attr('data-url');
    var parent = $(this);
    if (url !== undefined) {
        $.getJSON("http://urls.api.twitter.com/1/urls/count.json?url="+url+"&callback=?", function (data) {
            if (data.count !== undefined) {
                parent.text(data.count);
            }
         });
     }
    });
});