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

<h1>Navigator 对象</h1>

<p>appVersion 属性返回有关浏览器的版本信息:</p>

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

<script>
document.getElementById("demo").innerHTML = navigator.appVersion;
</script>

</body>
</html>
运行结果: