HTML encoder (edit)
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>Test</title>
<script>
document.addEventListener('DOMContentLoaded', (event) => {
var browser = (function (agent) {
switch (true) {
case agent.indexOf("edge") > -1: return "edge";
case agent.indexOf("edg") > -1: return "chromium based edge (dev or canary)";
case agent.indexOf("opr") > -1 && !!window.opr: return "opera";
case agent.indexOf("chrome") > -1 && !!window.chrome: return "chrome";
case agent.indexOf("trident") > -1: return "ie";
case agent.indexOf("firefox") > -1: return "firefox";
case agent.indexOf("safari") > -1: return "safari";
default: return "other";
}
})(window.navigator.userAgent.toLowerCase());
document.body.innerHTML = window.navigator.userAgent.toLowerCase() + "<br>" + browser;
});
</script>
</head>
<body>
</body>
</html>
