Reverses the order of the posts in an Ars Technica Liveblog. Useful when reading _after the fact_

reverse_liveblog_order.md

var posts = document.getElementById("ars-liveblog-posts");

var i = posts.childNodes.length;

while (i--)
  posts.appendChild(posts.childNodes[i])

Minified

javascript:for(var posts=document.getElementById("ars-liveblog-posts"),i=posts.childNodes.length;i--;)posts.appendChild(posts.childNodes[i]);

1. go to a live blog: http://live.arstechnica.com/liveblog-how-spacex-plans-to-colonize-mars/
2. make sure page is completely loaded
3. copy and paste the minified line into your url bar, but it will strip the beginning "javascript:", so add it manually
4. to not repeat step 3, you can create a bookmarklet