How do i store data in javascript to be later inserted in HTML

Question

javascript

Answer 1

localStorage

https://developer.mozilla.org/en-US/docs/Web/API/Window/localStorage

Answer 2

Here is the lesson about HTML5 Storage:
https://www.sololearn.com/learn/HTML/2197/?ref=app

Answer 3

Store data for later on a specific device, use local storage.

Store data for later for all visitors, data should be store on server database, you could use AJAX to store data on some of the SaaS eg. Firebase or Mlab mongodb.