Block/Hide facebook news feed, chat boxes and sidebars with ticker and chat list

fb.blocker.user.js

// ==UserScript==
// @name        Facebook Blocker
// @namespace   com.mehedih.fb.blocker
// @include     *facebook.com*
// @version     1
// @grant       none
// @downloadURL https://gist.github.com/mehedihasan/3cb941c98d997fa37ea0/raw/
// @description Block/Hide facebook news feed, chat boxes and sidebars with ticker and chat list
// ==/UserScript==
function isHomePage() {
  // detects if it's fb home page using title
  // normal title - "Facebook"
  // title with notification - "(12) Facebook"
  var re = /^(\(\d+\)\s+)?Facebook$/
  return document.title.match(re) != null ? true : false
}
function hideElementById(id) {
  var e = document.getElementById(id)
  if (e != null) {
    e.style.visibility = 'hidden'
  }
}
function hideThings() {
  // hide the news feed on home page
  if (isHomePage()) {
    hideElementById('contentArea')
  }
  // hide the ticker and chat, sidebar
  hideElementById('pagelet_sidebar')
  // remove chat boxes
  hideElementById('ChatTabsPagelet')
}
// check every 1 second
var intervalID = window.setInterval(hideThings, 500)