Setting up a new computer is bliss — no old, unused apps and the machine performs much better than the previous. Unfortunately, you may encounter new problems based on the new hardware. One such issue I encountered with my new MacBook was a “This video format is not supported” message when I went to YouTube TV.
Not being able to watch my favorite live show is a real problem. After a bit of research, I found the solution to the “This video format is not supported” error message. To solve this problem:
- Open your browser settings and do a search for
DRM - You should see reference to
Widevine, a form of DRM - Enable this
Widevinesetting - Restart your web browser
Enabling Widevine within your browser will make your YouTube TV video feed work properly. Better than needing to install a codec like the good old days, right?

CSS @supports
Feature detection via JavaScript is a client side best practice and for all the right reasons, but unfortunately that same functionality hasn’t been available within CSS. What we end up doing is repeating the same properties multiple times with each browser prefix. Yuck. Another thing we…

7 Essential JavaScript Functions
I remember the early days of JavaScript where you needed a simple function for just about everything because the browser vendors implemented features differently, and not just edge features, basic features, like
addEventListenerandattachEvent. Times have changed but there are still a few functions each developer should…

Fancy FAQs with jQuery Sliders
Frequently asked questions can be super boring, right? They don’t have to be! I’ve already shown you how to create fancy FAQs with MooTools — here’s how to create the same effect using jQuery. The HTML Simply a series of H3s and DIVs wrapper…

Chris Coyier’s Favorite CodePen Demos II
Hey everyone! Before we get started, I just want to say it’s damn hard to pick this few favorites on CodePen. Not because, as a co-founder of CodePen, I feel like a dad picking which kid he likes best (RUDE). But because there is just so…
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