If you use eg. "id" you can do it this way:
(function() {_x000D_
let x = document.getElementById("idName");_x000D_
let y = document.getElementById("liName");_x000D_
_x000D_
y.addEventListener('click', function(e) {_x000D_
y.appendChild(x);_x000D_
});_x000D_
_x000D_
_x000D_
})();
_x000D_
<html lang="en">_x000D_
_x000D_
<head>_x000D_
<title></title>_x000D_
<meta charset="UTF-8">_x000D_
<meta name="viewport" content="width=device-width, initial-scale=1.0">_x000D_
</head>_x000D_
_x000D_
<body>_x000D_
<p id="idName">TEXT</p>_x000D_
<ul>_x000D_
<li id="liName">_x000D_
_x000D_
</li>_x000D_
</ul>_x000D_
</body>_x000D_
<script src="js/scripts/script.js"></script>_x000D_
_x000D_
</html>
_x000D_