Js determines the browser type

It's easy to use. js to determine the browser type

Function CheckBrowser () {var app = navigator. appName; var verStr = navigator. appVersion; if (app. indexOf ('netscape ')! =-1) {alert ("prompt: \ n you are using the Netscape browser, which may cause failure to use some background functions. We recommend that you use IE6.0 or later. ");} Else if (app. indexOf ('Microsoft ')! =-1) {if (verStr. indexOf ("MSIE 3.0 ")! =-1 | verStr. indexOf ("MSIE 4.0 ")! =-1 | verStr. indexOf ("MSIE 5.0 ")! =-1 | verStr. indexOf ("MSIE 5.1 ")! =-1) alert ("prompt: \ n your browser version is too low, may cause some background functions to be unavailable. We recommend that you use IE6.0 or later. ");}}