title: How to generate unique pc/device ID in ReactJS? Multi-device login restrict purpose
body: <p>Developing a web apps using ReactJS. I need to ensure that no user can login to multiple device at the same time. To identify the device I need to to generate a unique device ID. I tried a lot of answers but didn't find any proper solution for reactjs/javascript. I tried to collect OS/PC information and generate by myself but all I got only
  oscpu: &quot;Windows NT 10.0; Win64; x64&quot;
  platform: &quot;Windows NT&quot;
  using window.navigator.</p>
  <p>Please help to generate an unique PC ID.</p>