Solution for availableWidth bug in responsive ads
from:

I don't know how many of you are trying to use the responsive advert code, where you set data-ad-format="auto", or "vertical", or "horizontal"... It works perfect in Chrome and other blink browsers (duh) and even IE likes it...

Bug Firefox will from time to time completely drop the ball and pop that error. The problem occurs 95%+ of the time when the script is already in your cache, letting the "push" of the empty object occur on window.adsbygoogle instead of creating a new empty array....

Solution for availableWidth bug in responsive ads

Poster :
deathshadow