Translating javascript json parse to rails

Question

I had to change an application that was making a call clientside (JS) to get back data that comes back as JSON. I had to move the call server side, and I'm using rails to return the data.

To reference the object I need, with the object being returned called "data" I was able to call it JS like so:

data.photos[0].tags[0].mouth_left.x

I'm very new to rails, I have the call populating a variable called face_values, I think I should call to_json on it next, but how do I reference the arrays and nested objects within?

Even a point in the right direction would be great, thank you.

Baz1nga · Accepted Answer · 2011-08-21 11:27:07Z

1

parsing JSON in Rails is as follows:

parsed_json = ActiveSupport::JSON.decode(your_json_string)

or check out this link

They claim they are 21.5x faster than ActiveSupport::JSON.decode

answered Aug 21, 2011 at 11:27

Baz1nga

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1 Comment

e3matheus Over a year ago

I find the following link useful to explain the difference between the json gem and the Active Support library simonecarletti.com/blog/2010/04/…

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