Place this in your custom code block and preview
<div id="user-data"></div>
<script>
window.addEventListener('DOMContentLoaded', () => {
if(window.logged_in_user) {
let userData = document.createElement('span').innerTex = window.logged_in_user;
let container = document.getElementById('user-data');
let ul = document.createElement('ul');
for (let key in userData) {
if (userData.hasOwnProperty(key)) {
var li = document.createElement('li');
li.innerHTML = '<strong>' + key + ':</strong> ' + userData[key];
ul.appendChild(li);
}
}
container.appendChild(ul);
}
});
</script>