JSONの読み書き - Ruby on Browser Samples

JSONの読み書き

https://docs.ruby-lang.org/ja/latest/class/JSON.html のサンプルコードを実行。

code:ruby

require "json"

string=<<JSON

{ "a":1, "b":2, "c":3 }

JSON

hash = { a: 1, b: 2, c: 3 }

JSONstring.class # => Hash

JSONstring # => {"a"=>1, "b"=>2, "c"=>3}

JSONstring, symbolize_names: true # => {:a=>1, :b=>2, :c=>3}

JSONhash.class # => String

JSONhash # => "{\"a\":1,\"b\":2,\"c\":3}"