navigator.appName is a property in Javascript used to return the name of the current browser. It is a property of the navigator object, and its return value may be different for different browsers.
For different browsers, the value returned by navigator.appName is also different:
Internet Explorer browser:
In IE browser, The value returned by navigator.appName is "Microsoft Internet Explorer", which has become a historical symbol.
Firefox browser:
In Firefox browser, the value returned by navigator.appName is "Netscape" or "Mozilla".
Safari browser:
In Safari browser, the value returned by navigator.appName is "Netscape".
Chrome Browser:
In Chrome browser, the value returned by navigator.appName is "Netscape" or "Google Chrome".
Opera browser:
In Opera browser, the value returned by navigator.appName is "Opera".
It should be noted that the value returned by navigator.appName is not necessarily 100% accurate. Because JavaScript can be disabled or tampered with, sometimes browsers will return incorrect values. Although navigator.appName has become a historical symbol, sometimes it still has certain uses, such as checking the type of browser used by the user to confirm the compatibility of the website.
Summary
Although navigator.appName has become a thing of the past, for some developers, it is still a compatibility check for different browsers important way.
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