assign params hash with javascript variable

Question

Is it possible to assign the params hash with javascript variables in the views side. because i would be doing a complicated structure in my params hash that involves nesting and arrays.

Please clarify what you mean. The view is a result of the controller, where the params hash lives, so doing it the way you're asking isn't really possible. — Farski
– Farski, Commented May 6, 2012 at 17:13
I tried setting variables to the params variable in the view side. My question if i can set it with javascript variables. though i have the feeling its not possible — Jude Calimbas
– Jude Calimbas, Commented May 7, 2012 at 6:53

Community · Accepted Answer · 2017-05-23 12:27:57Z

1

You can post JSON data to the rails server and Rails will make it available in params hash, provided the JSON response data has the correct headers. Refer this thread and this thread for more details.

edited May 23, 2017 at 12:27

CommunityBot

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answered May 7, 2012 at 10:00

Salil

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HargrimmTheBleak · Accepted Answer · 2012-05-07 07:23:56Z

1

The only way I can think of is to use JS to add new fields to your form, giving them IDs and names adhering to how Rails will parse the elements' names into params when the form is submitted (something along the lines of id=model_assoc_attributes_N_attr and name=model[assoc_attributes][N][attr], which I think is the case when Model accepts_nested_attributes_for Assoc).

answered May 7, 2012 at 7:23

HargrimmTheBleak

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