JSFiddle - React, Tailwind, and code Playground

HTML

<a href="#" onclick="changer1(); return false;">
 
<p class="position2" id="msg1">&#9660; Description</p>
 
    <img src="./atex/fleche.png" />
 
</a>

JavaScript

function changer1() {
   
    if (document.getElementById('msg1').innerHTML == "▼ Description") {
        document.getElementById('msg1').innerHTML = "&#9650; Description";
    } else {
        document.getElementById('msg1').innerHTML = "&#9660; Description";
    }
}