Day.js is a minimalist JavaScript library that parses, validates, manipulates, and displays dates and times for modern browsers with a largely Moment.js-compatible API. If you use Moment.js, you already know how to use Day.js.

Paged.js is an open-source library to paginate content in the browser. Based on the W3C specifications, it’s a sort of polyfill for Paged Media and Generated Content for Paged Media CSS modules.

VuePress is a single page application powered by Vue, Vue Router and webpack which create a server-rendered version of the app and render corresponding html.