<div id="buttons">
  <button class="js-add">Add</button>
  <button class="js-edit">Edit</button>
  <button class="js-delete">Delete</button>
</div>
body{
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0;
}

button {
  appearance: none;
  backface-visibility: hidden;
  background-color: #c11c1c;;
  border-radius: 10px;
  border-style: none;
  box-shadow: none;
  box-sizing: border-box;
  color: #fff;
  cursor: pointer;
  display: inline-block;
  font-family: Inter,-apple-system,system-ui,"Segoe UI",Helvetica,Arial,sans-serif;
  font-size: 15px;
  font-weight: 500;
  height: 50px;
  letter-spacing: normal;
  line-height: 1.5;
  outline: none;
  overflow: hidden;
  padding: 14px 30px;
  position: relative;
  text-align: center;
  text-decoration: none;
  transform: translate3d(0, 0, 0);
  transition: all .3s;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  vertical-align: top;
  white-space: nowrap;
}

button:hover {
  background-color: #f22828;
  box-shadow: rgba(0, 0, 0, .05) 0 5px 30px, rgba(0, 0, 0, .05) 0 1px 4px;
  opacity: 1;
  transform: translateY(0);
  transition-duration: .35s;
}

button:hover:after {
  opacity: .5;
}

button:active {
  box-shadow: rgba(0, 0, 0, .1) 0 3px 6px 0, rgba(0, 0, 0, .1) 0 0 10px 0, rgba(0, 0, 0, .1) 0 1px 4px -1px;
  transform: translateY(2px);
  transition-duration: .35s;
}

button:active:after {
  opacity: 1;
}

@media (min-width: 768px) {
  button {
    padding: 14px 22px;
    width: 176px;
  }
}
const $buttons = document.getElementById("buttons");

$buttons.addEventListener("click", function(event) {
     const $target = event.target;

     if ($target.classList.contains("js-add")) {
         alert("click add - 5");
     } else if ($target.classList.contains("js-edit")) {
         alert("click edit - 5");
     } else if ($target.classList.contains("js-delete")) {
         alert("click delete - 5");
     };
});

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External JavaScript

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