How to parse HTML with js block in Ruby on rails?

Question

JavaScript

Tell me how to parse HTML with js block on Ruby on rails?
There is a site with a block in which js is executed, how to get information from this block? I tried Nokogiri , but it only gets bare html, there is no block with the necessary information.

Answer 1

Nokogiri is a parser and does not execute JavaScripts.
Google towards execjs

Answer 2

Thanks for the advice, the issue was resolved by a series of articles, here is the first Web parsing in Ruby