updateHandler function

void updateHandler(
  1. Element element,
  2. String key,
  3. EventAttribute attr
)

Implementation

void updateHandler(Element element, String key, EventAttribute attr) {
  final map = _handlers[element];
  if (map != null && map.containsKey(key)) {
    map[key]!.attr = attr;
  } else {
    _registerHandler(element, key, attr);
  }
}