Custom jQuery Events
Custom events are an underappreciated feature of jQuery that make it easy to graft a powerful distributed event system onto any web app, with no additional libraries. You can emit any event you want from any DOM element from jQuery using trigger.
| â | $(â'#tabby, #socks'â).on(â'meow'â, âfunctionâ() { |
| â | console.log(this.id + â' meowed'â); |
| â | }); |
| â | $(â'#tabby'â).trigger(â'meow'â); â// "tabby meowed"â |
| â | $(â'#socks'â).trigger(â'meow'â); â// "socks meowed"â |
If youâve worked with DOM events before, youâre no doubt familiar with bubbling. Whenever an element emits an event (such as a âclickâ), its parent then emits the event, then its grandparent, and so on, up to the root ...
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