A simple userscript to hide promoted tweets on twitter.com

hide-promoted-tweets.user.js

// ==UserScript==
// @match http://twitter.com/*
// @match https://twitter.com/*
// ==/UserScript==
elems = document.getElementsByClassName('tweet')
for (var i=0; i<elems.length; i++) {
  e = elems[i];
  if (e.nodeName.toLowerCase() == 'div' &&
    e.attributes['data-promoted'] &&
    e.attributes['data-promoted'].value == "true") {
    // Just hiding the elem doesn't work, as this is
    // not actually the elem that gets rendered to screen.
    // Twitter's script will later convert it into
    // another, visible, element.
    //e.style.display = 'none';
    e.parentNode.removeChild(e);
    console.debug('Deleted a promoted tweet', e);
  } 
}