Rename beforeValue and afterValue to avoid crazy V8 bug in beta/unstable on Travis
Rename beforeValue and afterValue to avoid crazy V8 bug in beta/unstable on Travis

web-animations/web-animations-js-legacy,birtles/web-animations-js,web-animations/web-animations-js-legacy,birtles/web-animations-js,beni55/web-animations-js-legacy,birtles/web-animations-js,beni55/web-animations-js-legacy,beni55/web-animations-js-legacy,web-animations/web-animations-js-legacy,beni55/web-animations-js-legacy