Adding an event listener

el.md

Which of the following is a valid way to register an event and listener in plain JavaScript?

Assume you have already found someElement in the DOM (i.e. let someElement = document.querySelector('#someElement'))

a) someElement.addEventListener('click', function() { console.log('clicked!') });

b) someElement.addEventListener('onClick', function() { console.log('clicked!') });

c) someElement.addEventListener(function() { console.log('clicked!') });

d) someElement.addEventListener('onClick', console.log('clicked!'));

e) None of the above.