How do I raw URL encode/decode in JavaScript and Ruby to get the same values in both?

Question

I am working on a web application where I have to encode and decode a string at the JavaScript side and Ruby backend of the code. the only problem is that the escape methods

Answer 1

Use

URI.escape(foo, Regexp.new("[^#{URI::PATTERN::UNRESERVED}]"))

in ruby, and

encodeURIComponent(foo); 

in javascript

Both these will behave equally and encode space as %20.