Use window.pageYOffset instead of window.scrollY
Use window.pageYOffset instead of window.scrollY
Merge pull request #1299 from thibaultlavoisey/master

For cross-browser compatibility, use window.pageYOffset instead of window.scrollY
Automatically updating the calendar
Fixing some code errors
Merge branch 'master' of github.com:html5rocks/www.html5rocks.com

* 'master' of github.com:html5rocks/www.html5rocks.com:
  Automatically updating the calendar
  Grammar tweak to opening paragraph
  Use window.pageYOffset instead of window.scrollY
  Use window.pageYOffset instead of window.scrollY
Fix a few typos
Merge pull request #1307 from ithinkihaveacat/service-worker-typos

Fix a few typos in tutorials/service-worker/introduction
Merge pull request #1308 from html5rocks/master

Fixes.