event, even handlers (1)

event handler의 예시

function handleResize() {
  console.log("I have been resized.");
}
/*
function handleResize() {
  console.log(event);
}

window.addEventListener("resize", handleResize);
// function is called when an event occurs

function handleClick() {
  title.style.color = "red";
}

title.addEventListener("click", handleClick);