Highlight Nofollow - Backtick

command.js

javascript:var t=document.getElementsByTagName('a');for(i=0;i<t.length;i++){if((t[i].rel.toLowerCase()=='nofollow') | (t[i].rel.toLowerCase()=='external nofollow')){void(t[i].style.color='red');void(t[i].style.background='yellow');}}

command.json

{
  "name": "Nofollow",
  "description": "Highlights nofollowed links on current page.",
  "icon": "http://icons.backtick.io.s3.amazonaws.com/backtick.png",
  "link": "http://backtick.io"
}