Emmy
Events toolkit.
- Multiple events
on(el, 'click touchstart', cb)
- Event classes
on(el, 'click.x', cb), off(el, '.x')
- Uses native events, if available.
- Delegate
on('.subel', 'click', cb, { target: container })
Usage
API
off = on(target, event, handler, opts?)
Bind event
handler to target
events.
event
can be a string or an array, optionally with class suffixesclick.tag1.tag2
target
can be an element, list, or a string to delegate events.opts
can provideopts.target
for delegate target and listener props.
// dragging scheme // delegatelet off = // remove listener
off(target, event?, callback?)
Remove event
handler from a target
. If callback
isn't passed - all registered listeners are removed. If event
isn't passed - all registered callbacks for all known events are removed (useful on destroying the target).
// remove handler the standard way // remove handler for all registered events // remove all events with provided suffix[es]
emit(target, event, data?, options?)
Emit an event
on a target
. event
can be a string or an Event instance. If target
is an element then data
is placed to e.details
. options
can define triggering params, eg. {bubbles: true}
.
License
MIT © Dmitry Ivanov.