Add "tweet this" links to text in a blog post

tweet-this.js

function onMouseenter(e) {
  el = $(e.target);
  url = 'https://twitter.com/intent/tweet?text='
  url += encodeURIComponent(el.text());
  url += ' ' + window.location.href;
  // el.css('position', 'relative');
  el.append('<a href="' + url + '" target="_blank" class="tweet-this" style="position: relative; left: 5px;">Tweet this</a>');
};

function onMouseleave(e) {
  el = $(e.target);
  $('.tweet-this').remove();
};

$(document).ready(function () {
  $('.tweetable').mouseenter(onMouseenter);
  $('.tweetable').mouseleave(onMouseleave);
});