JSFiddle - React, Tailwind, and code Playground

HTML

<svg version="1.1"
     xmlns="http://www.w3.org/2000/svg"
     width="400" height="300">
  <circle id="myCircle" cx="100" cy="100" r="50" />
</svg>

JavaScript

// Récupérer le cercle SVG:
var circle = document.getElementById('myCircle');

// Déplacer le cercle:
circle.setAttribute('cx', 50);
circle.setAttribute('cy', 50);