Javascript Event delegation. Supposed to be better than Gator, because it has namespaces 😎. Weights about 2.3kb when minified and 930 bytes when gzipped.
// create a new instance
var evt = new Evt('#mydiv');
// Works like a Factory too
var evt2 = Evt('#mydiv');
// Instances are recycled
evt === evt2 // true
// Attach an event
evt.on('click', function (e) {
// Do stuff
});
// Attach a namespaced event
evt.on('click.open', function (e) {
e.namespace === 'open' // true
});
// Attach a delegated event
evt.on('click', 'a', function (e) {
// Do stuff
});
// Chain an event
evt.on('click', 'a', function (e) {
// Do stuff
}).on('dblclick', function (e) {
// Do more stuff
});
// Remov all events
evt.off();
// Remove a specific event
evt.off('click');
// Remove all events with a matching namespace
evt.off('.open');
// Remove a specific handler for an event
evt.off('click', func);
// Remove a specific delegated event
evt.off('click', 'a');
// Remove a specific handler for a delegated event
evt.off('click', 'a', func);Evt should work in recent browsers (IE >= 9). It requires W3C Events (addEventHandler/removeEventHandler),
as well as Node.matches