<!DOCTYPE html><html><head></head><body><textarea id="input" placeholder="write pug here" style="width: 100%; min-height: 400px;">p author != myName</textarea><pre style="background: #ECECEC;width: 100%; min-height: 400px;"><code id="output"></code></pre><script src="../../pug.js"></script><script>var input = document.getElementById('input'); var output = document.getElementById('output'); setInterval(function () { pug.render(input.value, {myName: 'Forbes Lindesay', pretty: true}, function (err, res) { if (err) throw err; output.textContent = res; }) }, 500)</script></body></html>