x
<html><body><h1>The Window Navigator Object</h1><h2>The appVersion Property</h2><p>This property is removed (deprecated) in the latest web standard.Most browsers (Chrome, Edge, Firefox, Safari) returns 4.0 or 5.0 as appVersion.</p><p id="demo"></p><script>let version = navigator.appVersion;document.getElementById("demo").innerHTML = "Browser version:<br>" + version;</script></body></html>