lib/index.js
function fireEvent(target_object, event, event_type) {
  var on_event_type = 'on' + event_type;

  if (exists(target_object.dispatchEvent)) {
    // modern browsers
    target_object.dispatchEvent(event);
  } else if (exists(target_object.fireEvent)) {
    // IE9-
    target_object.fireEvent(on_event_type, event);
  } else if (exists(target_object[event_type])) {
    target_object[event_type]();
  } else if (exists(target_object[on_event_type])) {
    target_object[on_event_type]();
  }
}
function fireEvent(target_object, event, event_type) {
  var on_event_type = 'on' + event_type;

  if (exists(target_object.dispatchEvent)) {
    // modern browsers
    target_object.dispatchEvent(event);
  } else if (exists(target_object.fireEvent)) {
    // IE9-
    target_object.fireEvent(on_event_type, event);
  } else if (exists(target_object[event_type])) {
    target_object[event_type]();
  } else if (exists(target_object[on_event_type])) {
    target_object[on_event_type]();
  }
}
function fireEvent ( target_object , event , event_type ) { var on_event_type = 'on' + event_type ; if ( exists ( target_object . dispatchEvent ) ) { // modern browsers target_object . dispatchEvent ( event ) ; } else if ( exists ( target_object . fireEvent ) ) { // IE9- target_object . fireEvent ( on_event_type , event ) ; } else if ( exists ( target_object [ event_type ] ) ) { target_object [ event_type ] ( ) ; } else if ( exists ( target_object [ on_event_type ] ) ) { target_object [ on_event_type ] ( ) ; } }
Cross-browser bridge that fires an event object on target object
@param {Object} target_object Any object that can fire an event
@param {Event} event Event object
@param {string} event_type Event identifier
@private
Cross - browser bridge that fires an event object on target object