value is undefined because propertyName contains a -, in this case the propertyName is flex-direction. Apparently Firefox have changed their implementation of the css style declaration to use the JavaScript camelCase notation for looking up properties, so Firefox expects the property name to be flexDirection. Hence the lookup of the value fails.
The livestyle client throws an error on this line when parsing the style rules: https://github.com/One-com/livestyle/blob/master/livestyle-client.js#L155
value
is undefined becausepropertyName
contains a-
, in this case the propertyName isflex-direction
. Apparently Firefox have changed their implementation of the css style declaration to use the JavaScript camelCase notation for looking up properties, so Firefox expects the property name to beflexDirection
. Hence the lookup of the value fails.When did this change happen?