Passing Rails Variables To

Javascriptby Jedrzej Wiśniewski

How can I do it?

pass variable as data in html element

put js script in view

use gon gem

Pass variable in html element

In HTML

#my-element{ data: { troll: @troll } }

In JS

var troll = $(‘#my-element’).data(‘troll’)

Put JS script in view

In HTML

:javascript

var troll = “#{j

@troll}”

Using Gon gem

In Gemfile

gem ‘gon’

In application.html.haml

= include_gon

In controller

gon.troll = @troll

In JS

var troll = gon.troll