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@edulan
Last active August 26, 2016 14:58
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Logs event listeners for a DOM element and its ancestors (Chrome only)
function logListenersForElement(element, eventType) {
if (!element) return;
const eventListeners = getEventListeners(element);
if (Object.keys(eventListeners).indexOf(eventType) !== -1) {
console.log({
element,
listeners: eventListeners[eventType],
});
}
return logListenersForElement(element.parentNode, eventType);
}
// Usage:
// const el = document.getElementById('foo');
// logListenersForElement(el, 'click');
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