should i use chrome or safari code example
Example: how ot get browser is safari in chrome
var isOpera = (!!window.opr && !!opr.addons) || !!window.opera || navigator.userAgent.indexOf(' OPR/') >= 0;
var isFirefox = typeof InstallTrigger !== 'undefined';
var isSafari = /constructor/i.test(window.HTMLElement) || (function (p) { return p.toString() === "[object SafariRemoteNotification]"; })(!window['safari'] || (typeof safari !== 'undefined' && window['safari'].pushNotification));
var isIE = false || !!document.documentMode;
var isEdge = !isIE && !!window.StyleMedia;
var isChrome = !!window.chrome && (!!window.chrome.webstore || !!window.chrome.runtime);
var isEdgeChromium = isChrome && (navigator.userAgent.indexOf("Edg") != -1);
var isBlink = (isChrome || isOpera) && !!window.CSS;
var output = 'Detecting browsers by ducktyping:<hr>';
output += 'isFirefox: ' + isFirefox + '<br>';
output += 'isChrome: ' + isChrome + '<br>';
output += 'isSafari: ' + isSafari + '<br>';
output += 'isOpera: ' + isOpera + '<br>';
output += 'isIE: ' + isIE + '<br>';
output += 'isEdge: ' + isEdge + '<br>';
output += 'isEdgeChromium: ' + isEdgeChromium + '<br>';
output += 'isBlink: ' + isBlink + '<br>';
document.body.innerHTML = output;