JSFiddle - React, Tailwind, and code Playground

HTML

<button id="a">a</button>
<button id="b">b</button>

JavaScript

function listener() {
    alert("clicked!");
}
document.getElementById("a").addEventListener("click", listener);
document.getElementById("b").addEventListener("click", function () {
    document.getElementById("a").removeEventListener("click", listener);
});