I have a suggestion for improvement for “Add Delegate Event Listener”

“`js
// jQuery:
elem.on(‘click’, ‘div.className’, function(e){ /* … */ });

// ES6:
elem.addEventListener(‘click’, (e) => {
if (e.target.matches(‘div.className’)) {
/* … */
}
});
“`

https://developer.mozilla.org/en-US/docs/Web/API/Element/matches