I need some function returning a boolean value to check if the browser is Chrome.
How do I create such functionality?
If you're feeling brave, you can experiment with browser sniffing and get a version:
var ua = navigator.userAgent;
if(/chrome/i.test(ua)) {
var uaArray = ua.split(' ')
, version = uaArray[uaArray.length - 2].substr(7);
}
This detected version might be a Chrome version, or a Edge version, or something else. Browser plugins can easily change userAgent and platform and other things though, so this is not recommended.
Apologies to The Big Lebowski for using his answer within mine.