Recieving Javascript Variable from View to controller

Question

My View contain this code:

jQuery.ajax({
data:  "val"= + val,
dataType: 'script',
ype: 'post',
url: "/portfolio/update"
 );

In my controller I have this code:

j=params[:"val"]
h=j.split(" ")

Now I am getting this in my rails console: Parameters = {"val"=>" Default id3 id4 id5 test1 test2 fro "} and j is a nil class.
Any guesses why i am not receiving value in controller. I just started with fronted.

vee · Accepted Answer · 2013-08-26 17:00:33Z

1

Try sending your data as an object as follows:

jQuery.ajax({
  data: { val: $.toJSON(val) },
  dataType: 'script',
  type: 'post',
  url: "/portfolio/update"
);

Then in your controller, access val parameter as follows:

j=params[:val]

answered Aug 26, 2013 at 17:00

vee

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2 Comments

Deepender Singla Over a year ago

can You tell me how to call this function on button press in view?

vee Over a year ago

@DeependerSingla, I'm sure you've already solved the "call this function on button press", if not you need to place this ajax call in the click handler of click event. Have a look at api.jquery.com/click. Also please add a comment here or post a new question if you run into any problems.

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