UnderscoreString::Rails

Include underscore.string.js in the Rails asset pipeline

Add this line to your application's Gemfile:

gem 'underscore_string-rails'

And then execute:

$ bundle

Or install it yourself as:

$ gem install underscore_string-rails

Then require the js in your application.js:

//= require underscore
//= require underscore.string

underscore.string object is available under the namespace:

_.str

Refer to epeli/underscore.string to learn how to use underscore.string.