https://cucumber.io/docs/reference/javascript
https://github.com/cucumber/cucumber-js
https://coyee.com/article/12351-bdd-in-javascript-getting-started-with-cucumber-and-gherkin //JavaScript 中的 BDD : Cucumber 和 Gherkin 入门
原文：http://www.cnblogs.com/yuanchunli/p/7591022.html