JSFiddle - React, Tailwind, and code Playground

JavaScript

var msie = false,
    ua = window.navigator.userAgent,
    oldie = ua.indexOf('MSIE '),
    newie = ua.indexOf('Trident/');

    msie = (oldie > -1 || newie > -1);
if (msie) {
    //IE specific code goes here
    document.write('hello this is ie');
}