Function off

external/.scrollLibs.js:1951–1966

(emitter, type, f)

  }

  function off(emitter, type, f) {
    if (emitter.removeEventListener) {
      emitter.removeEventListener(type, f, false)
    } else if (emitter.detachEvent) {
      emitter.detachEvent("on" + type, f)
    } else {
      var map$$1 = emitter._handlers,
        arr = map$$1 && map$$1[type]
      if (arr) {
        var index = indexOf(arr, f)
        if (index > -1) {
          map$$1[type] = arr.slice(0, index).concat(arr.slice(index + 1))
        }
      }
    }
  }

  function signal(emitter, type /*, values...*/) {
    var handlers = getHandlers(emitter, type)