JSFiddle - React, Tailwind, and code Playground

HTML

<button id="button">Button</button>

JavaScript

var button = document.getElementById('button');

button.addEventListener('click', function () {
    alert('addEventListener 1');
});

$(button).click(function () {
    alert('click 1');
});

$(button).click(function () {
    alert('click 2');
});

// will be overwritten by the next assignment
button.onclick = function () {
    alert('onclick 1');
};

button.onclick = function () {
    alert('onclick 2');
};