javascript Определениебраузера

Posted 2021-05-03

// Современное копирование в буфер
if (navigator.clipboard) {
  navigator.clipboard.writeText(txt)
                .then(() => {
                    // ok
                })
                .catch(err => {
                    console.log('Something went wrong', err);
                });
} else {
  var tmp = document.createElement('INPUT');
            tmp.value = txt;
            document.body.appendChild(tmp);
            tmp.select();
            document.execCommand('copy');
            document.body.removeChild(tmp);
}

-------------------------------------------------------------------------

if (['IE'].indexOf(navigator.userAgent.browser.family) !== -1) {
  // ie
} else {
  // not ie
}
-------------------------------------------------------------------------

var sBrowser, sUsrAg = navigator.userAgent;

//The order matters here, and this may report false positives for unlisted browsers.

if (sUsrAg.indexOf("Firefox") > -1) {
     sBrowser = "Mozilla Firefox";
     //"Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:61.0) Gecko/20100101 Firefox/61.0"
} else if (sUsrAg.indexOf("Opera") > -1) {
     sBrowser = "Opera";
} else if (sUsrAg.indexOf("Trident") > -1) {
     sBrowser = "Microsoft Internet Explorer";
     //"Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; .NET4.0C; .NET4.0E; Zoom 3.6.0; wbx 1.0.0; rv:11.0) like Gecko"
} else if (sUsrAg.indexOf("Edge") > -1) {
     sBrowser = "Microsoft Edge";
     //"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36 Edge/16.16299"
} else if (sUsrAg.indexOf("Chrome") > -1) {
    sBrowser = "Google Chrome or Chromium";
    //"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/66.0.3359.181 Chrome/66.0.3359.181 Safari/537.36"
} else if (sUsrAg.indexOf("Safari") > -1) {
    sBrowser = "Apple Safari";
    //"Mozilla/5.0 (iPhone; CPU iPhone OS 11_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/11.0 Mobile/15E148 Safari/604.1 980x1306"
} else {
    sBrowser = "unknown";
}

alert("You are using: " + sBrowser);