CODE EXAMPLE FOR JAVASCRIPT

Detect Browser

function fnBrowserDetect(){
                 
         let userAgent = navigator.userAgent;
         let browserName;
         
         if(userAgent.match(/chrome|chromium|crios/i)){
             browserName = "chrome";
           }else if(userAgent.match(/firefox|fxios/i)){
             browserName = "firefox";
           }  else if(userAgent.match(/safari/i)){
             browserName = "safari";
           }else if(userAgent.match(/opr//i)){
             browserName = "opera";
           } else if(userAgent.match(/edg/i)){
             browserName = "edge";
           }else{
             browserName="No browser detection";
           }
         
          document.querySelector("h1").innerText="You are using "+ browserName +" browser";         
  }