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I'm triggering some DOM Events with jQuery triggerHandler()
<!DOCTYPE html>
<html>
<head>
<title>stackoverflow</title>
<script src="http://ajax.googleapis.com:80/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
</head>
<body>
<script>
$(document).ready(function() {
$(document).on('hey', function(customEvent, originalEvent, data) {
console.log(customEvent.type + ' ' + data.user); // hey stackoverflow
});
// how to this in vanilla js
$(document).triggerHandler('hey', [{}, {
'user': 'stackoverflow'
}])
});
</script>
</body>
</html>How can I trigger this without jQuery?
Important: I need to know the event type and the custom data
215
If you want an exact replication of jQuery's behaviour, you're probably best off digging through the jQuery source code.
If you just want to do normal event dispatching and listening, see CustomEvent for how to dispatch an event with custom data and addEventListener for how to listen to it.
Your example would probably look something like
document.addEventListener('hey', function(customEvent)
{
console.log(customEvent.type + ' ' + customEvent.detail.user); // hey stackoverflow
});
document.dispatchEvent(new CustomEvent('hey', {'detail': {'user': 'stackoverflow'}}));
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