method

as_json

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as_json(options = nil) public

Encoding Infinity or NaN to JSON should return “null”. The default returns “Infinity” or “NaN” which breaks parsing the JSON. E.g. JSON.parse(‘[NaN]’).

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# File activesupport/lib/active_support/json/encoding.rb, line 221
  def as_json(options = nil) #:nodoc:
    finite? ? self : nil
  end

as_json

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