Ohe function to solve all problems

by Victor Osório

HTML

<button google-tag="1">BTN 1</button>
<button google-tag="2">BTN 2</button>
<button google-tag="3">BTN 3</button>
<button google-tag="4">BTN 4</button>
<button google-tag="5">BTN 5</button>
<button google-tag="6">BTN 6</button>

JavaScript

var buttons = document.querySelectorAll("[google-tag]");
buttons.forEach(button =>
  button.addEventListener('click', event =>
    alert(event.type + ": x=" + event.x + " y=" + event.y + "\nTAG: " + button.getAttribute('google-tag'))));