Event Target

Events can be trigered by different elements.
const h1Element = document.querySelector("h1");
const boxElement = document.querySelector(".box");
h1Element.addEventListener('click', actionTitleClick );
boxElement.addEventListener('click', actionBoxClick ); 
function actionTitleClick(event) {
  h1Element.textContent = "Title clicked !";
}
function actionBoxClick(event) {
  boxElement.style = "background-color: blue;";
}
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