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<!DOCTYPE html> <html> <body> <h2>JavaScript Navigator</h2> <p>appCodeName 属性返回浏览器的代号。</p> <p>不要依赖它！ “Mozilla”是 Chrome、Firefox、IE、Safari 和 Opera 的应用程序代号。</p> <p id="demo"></p> <script> document.getElementById("demo").innerHTML = "navigator.appCodeName is " + navigator.appCodeName; </script> </body> </html>