How to convert a ruby hash object to JSON?

Question

How to convert a ruby hash object to JSON? So I am trying this example below & it doesn\'t work?

I was looking at the RubyDoc and obviously Hash obj

Answer 1

You can also use JSON.generate:

require 'json'

JSON.generate({ foo: "bar" })
=> "{\"foo\":\"bar\"}"

Or its alias, JSON.unparse:

require 'json'

JSON.unparse({ foo: "bar" })
=> "{\"foo\":\"bar\"}"