Rails: How to create javascript object from controller?

Question

I am using Rails 3. I just want to create a simple javascript object from my controller. I don't want to render js because I'm already rendering html page and I want that javascript object in that html page.

Tarscher · Accepted Answer · 2011-02-10 13:10:40Z

3

You want to make data from the controller available in javascript? Then you should use JSON. You can convert any ruby datatype into a json object with the .to_json

Since JSON is valid javascript you can do

var json_object = <%= @ruby_data.to_json %>;

edited Feb 10, 2011 at 13:10

answered Feb 10, 2011 at 10:05

Tarscher

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3 Comments

Sharjeel Over a year ago

what's the syntax if I for example I want to make @company available? I know I can do @company.to_json but that's not enough.

jordelver Over a year ago

Is @company an ActiveRecord object? If so, it should work out of the box.

Tarscher Over a year ago

it's indeed an ActiveRecord object. Conversion works out of the box

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