JSFiddle - React, Tailwind, and code Playground

by Robbie Wxyz

HTML

<input id="randomemail"/>

JavaScript

var chars = 'abcdefghijklmnopqrstuvwxyz1234567890';
var string = '';
for(var ii=0; ii<15; ii++){
    string += chars[Math.floor(Math.random() * chars.length)];
}
$('#randomemail').val(string + '@domain.com');