js 浏览器类型的判断

版权声明：未经同意，不得随意转载转载 https://blog.csdn.net/lucky541788/article/details/85047424

function check(){
   if((!!window.ActiveXObject || "ActiveXObject" in window){
      return "IE";
   }
   if(navigator.userAgent.indexOf("Firefox")!=-1){
      return "Firefox";
   }
   if(navigator.userAgent.indexOf("Chrome")!=-1){
      return "Chrome";
   }
   if(navigator.userAgent.indexOf("Safari")!=-1){
      return "Safari";
   }
}