Can't add ruby code to jquery

Question

When I add my rails code into my jquery I have this problem:

Uncaught SyntaxError: Unexpected token <

Here my controller:

class WelcomeController < ApplicationController
    def index
        @a = "12345"
    end
end

My index.js

jQuery(function($) {
    $(document).ready(function($) {
        var a = <%= @a %>
        var url = "http://www.google.com"
        console.log(a)
    }); 
});

I don't know how to fix that, please help me!

Your index.js file isn't rendered by erb. Put it in your views in index.js.erb instead and create appropriate action for it. — Marek Lipka
– Marek Lipka, Commented Apr 13, 2015 at 8:47
when I change index.js to index.js.erb, I have new error :Uncaught SyntaxError: Unexpected token var — Dung Nguyen quang
– Dung Nguyen quang, Commented Apr 13, 2015 at 8:56
missing ; in your js code. I suggest you read something about javascripts syntax — Roman Kiselenko
– Roman Kiselenko, Commented Apr 13, 2015 at 9:05

karlingen · Accepted Answer · 2015-04-13 09:32:33Z

2

Change the filename to index.js.erb so that rails understands that you want to insert ruby code inside your javascript.

Also fix your javascript code:

jQuery(function($) {
    $(document).ready(function($) {
        var a = "<%= @a %>";
        var url = "http://www.google.com";
        console.log(a);
    }); 
});

answered Apr 13, 2015 at 9:32

karlingen

14.8k5 gold badges49 silver badges76 bronze badges

Sign up to request clarification or add additional context in comments.

Collectives™ on Stack Overflow

Can't add ruby code to jquery

1 Answer 1

Comments

Your Answer

Linked

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

Comments

Your Answer

Sign up or log in

Post as a guest

Linked

Related