How to get base url with jquery or javascript?

Question

In joomla php there I can use $this->baseurl to get the base path, but I wanted to get the base path in jquery.

The base path may be any of the follo

Answer 1

Split and join the URL:

const s = 'http://free-proxy.cz/en/abc'
console.log(s.split('/').slice(0,3).join('/'))