Republished from September 15 2012, 3:56 PM
Most of my coding is for myself and I test it for the single platform I happen to be using at the moment. A jQuery application I wrote, and used for months in Chrome, broke when I tried to use it in Firefox. I was reading a plain text file from a server using:
Containing no HTML or XML, Chrome was happy to return a string, but Firefox tried to make it an XML document and consequently failed.