代码示例:(标识:jsck_navigator_appversion)
<!DOCTYPE html>
<html>
<body>

<h1>Window Navigator 对象</h1>

<h2>appVersion 属性</h2>

<p id="demo"></p>

<script>
let version =  navigator.appVersion;
document.getElementById("demo").innerHTML = "浏览器版本:" + version;
</script>

</body>
</html>
运行结果: