title: Logout of all devices, NodeJS and Angular 6
body: <p>I'm developing an application, the NodeJs (along with Express) will be server side which will provide RESTful service and Angular 6 will utilize the RESTful API.</p>
  
  <p>Now the problem is when a user change the password, then how to logout the user from all devices.</p>
  
  <p>I'm using JWT for authentication. </p>