JavaScript

Twitter: Reply, Retweet, Favorite, Share

https://dev.twitter.com/docs/intents

<script type="text/javascript" src="//platform.twitter.com/widgets.js"></script>
<p><a href="https://twitter.com/intent/tweet?in_reply_to=53202045288714240">Reply</a></p>
<p><a href="https://twitter.com/intent/retweet?tweet_id=53202045288714240">Retweet</a></p>
<p><a href="https://twitter.com/intent/favorite?tweet_id=53202045288714240">Favorite</a></p>

Twitter share content/url/hash:
https://twitter.com/intent/tweet?&button_hashtag=xxx&text=xxx&url=xxx
Facebook share url:
https://www.facebook.com/sharer/sharer.php?u=xxx

urlParameter = encodeURIComponent(parentHref)
Standard