JSFiddle - React, Tailwind, and code Playground
by MartijnR
HTML
<div></div>
<p></p>
JavaScript
var badSamsung = /GT-P31[0-9]{2}.+AppleWebKit\/534\.30/;
$('div').text(navigator.userAgent);
if (badSamsung.test(navigator.userAgent)) {
$('p').text('found bad samsung browser!');
} else {
$('p').text('not a bad browser');
}