sri.web
https://github.com/japgolly/scalajs-react/blob/master/core/src/main/scala/japgolly/scalajs/react/Events.scala C&P :D
https://github.com/japgolly/scalajs-react/blob/master/core/src/main/scala/japgolly/scalajs/react/Events.scala C&P :D