Environment Variables in JS/Coffeescript

问题

Is there anyway I can get an environment variable (like an API key) to appear inside JS/Coffee using Rails 3.1?

回答1:

You can rename your file.js to file.js.erb and use ruby to access ENV:

<% do_something_with ENV['key'] %>
some_js_code

来源：https://stackoverflow.com/questions/9082465/environment-variables-in-js-coffeescript