Bind event to element using pure Javascript

Question

I\'m writing an API and unfortunately need to avoid any jQuery or 3rd party libraries. How exactly are the events bound to elements through jQuery?

jQuery example:

Answer 1

Here's a quick answer:

document.getElementById('anchor').addEventListener('click', function() {
  console.log('anchor');
});

Every modern browser supports an entire API for interacting with the DOM through JavaScript without having to modify your HTML. See here for a pretty good bird's eye view: http://overapi.com/javascript