Noted that the 'selected' option to 'tabs.create()' is not supported in Firefox
Noted that the 'selected' option to 'tabs.create()' is not supported in Firefox

mdn/browser-compat-data,mdn/browser-compat-data,chrisdavidmills/browser-compat-data,teoli2003/browser-compat-data,chrisdavidmills/browser-compat-data