Having trouble rendering Javascript in Rails

Question

Here's the relevant controller code:

if @song.update_attributes(params[:song]) respond_to do |format| format.js { render :action => 'success' } end else

Here's what's in success.js.erb:

$("#song_updated_at").val( "<%= escape_javascript @song.updated_at %>" )

Here's the error I get:

ActionView::TemplateError ($_ value need to be String (nil given)) on line #1 of app/views/songs/success.js.erb: 1: $("#song_updated_at").val( "<%= escape_javascript @song.updated_at %>" ) app/views/songs/success.js.erb:1 app/controllers/songs_controller.rb:52:in `update' app/controllers/songs_controller.rb:50:in `update'

Thoughts?

theIV · Accepted Answer · 2009-08-28 02:00:31Z

2

You need to to_s your updated_at, because escape_javascript expects a String. updated_at returns a ActiveSupport::TimeWithZone.

Hope this helps.

answered Aug 28, 2009 at 2:00

theIV

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2 Comments

Tom Lehman Over a year ago

ARGGHHHHH! escape_javascript should take care of this automatically!

theIV Over a year ago

I agree, I don't understand why it doesn't.

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