How to get code coverage of javascript using cucumber?

问题

I am using gem 'Simplecov' to generate the code coverage for ruby(.rb file) using cucumber but my UI code is in JavaScript.

How i get the code coverage of Javascript using Cucumber? Is there any gem or tool available to get the code coverage of Javascript?

Please give comments on that issue.

来源：https://stackoverflow.com/questions/23538879/how-to-get-code-coverage-of-javascript-using-cucumber