<button type="button" class="btn">Click me</button>
body {
  padding: 16px;
  text-align: center;
}
const button = document.querySelector(".btn");

const handleClick = (event) => {
  console.log("event: ", event);
  console.log("event type: ", event.type);
  console.log("currentTarget: ", event.currentTarget);
};

button.addEventListener("click", handleClick);

External CSS

  1. https://cdnjs.cloudflare.com/ajax/libs/materialize/0.98.2/css/materialize.min.css

External JavaScript

This Pen doesn't use any external JavaScript resources.