JSFiddle - React, Tailwind, and code Playground

HTML

<a id="link1">Link 1</a>
<a id="link2">Link 2</a>
<a id="link3">Link 3</a>

JavaScript

var link1 = document.getElementById("link1");
var link2 = document.getElementById("link2");
var link3 = document.getElementById("link3");

window.doSomething = function(event) {
    console.log(event);
}

link1.setAttribute('onMouseOver', 'doSomething(this)'); 

link2.addEventListener("mouseout", function(event) {
    doSomething(event)
}, false); 

link3.onmouseout = function(event) {
    doSomething(event)
};