JSFiddle - React, Tailwind, and code Playground

by dusset

HTML

<p> <span id="mover">blablabla</span> <span id="spana"></span> blabla </p>
<button onclick="myFunction()" id="but">A</button>

JavaScript

function myFunction() {
  var spana = document.getElementById("spana")
  spana.innerText = "Blaaaa"
        };
    function myFx() {
  var spana = document.getElementById("spana")
  spana.innerText = ""
        };
  

    document.getElementById("but").onclick = myFunction;
        
     document.getElementById("mover").onmouseover = myFunction;
    document.getElementById("mover").onmouseout = myFx;