JSFiddle - React, Tailwind, and code Playground

JavaScript

var pre, node;

node = document.createElement('a');
node.href = 'http://example.org';
node.accessKey = 'e';
log('detached: ' + val(node.accessKeyLabel));
document.body.appendChild(node);
log('attached: ' + val(node.accessKeyLabel));


function log(msg) {
    if (!pre) {
        pre = document.createElement('pre');
        document.body.appendChild(pre);
    }
    pre.appendChild(document.createTextNode(msg + '\n'));
}
function val(value) {
    return String(JSON.stringify(value));
}