stopImmediatePropagation()

<h2>Click on the buttons</h2>
<div>
  outer div<br />
  <div>
    middle div<br />
    <div>
      inner div<br />
      <button>allow propagation</button><br />
      <button id="stopPropagation">stop propagation</button><br />
      <button id="stopImmediatePropagation">immediate stop propagation</button>
    </div>
  </div>
</div>
<pre></pre>

div {
  display: inline-block;
  padding: 10px;
  background-color: white;
  border: 2px solid black;
  margin: 10px;
}

button {
  width: 100px;
  color: #000088;
  padding: 5px;
  background-color: white;
  border: 2px solid black;
  border-radius: 30px;
  margin: 5px;
}

const outElem = document.querySelector("pre");

/* Clear the output */
document.addEventListener(
  "click",
  () => {
    outElem.textContent = "";
  },
  true,
);

/* Set event listeners for the buttons */
document.querySelectorAll("button").forEach((elem) => {
  for (let i = 1; i <= 3; i++) {
    elem.addEventListener("click", (evt) => {
      /* Do any propagation stopping in first event handler */
      if (i === 1 && elem.id) {
        evt[elem.id]();
        outElem.textContent += `Event handler for event 1 calling ${elem.id}()\n`;
      }

      outElem.textContent += `Click event ${i} processed on "${elem.textContent}" button\n`;
    });
  }
});

/* Set event listeners for the divs */
document
  .querySelectorAll("div")
  .forEach((elem) =>
    elem.addEventListener(
      "click",
      (evt) =>
        (outElem.textContent += `Click event processed on "${elem.firstChild.data.trim()}"\n`),
    ),
  );