An Introduction To JavaScript ES6 Classes by Alex Gorbatchev Aug 12, 2015 / How-To, JavaScript Language Note: This blog post is also available at IBM DeveloperWorks. ECMAScript 2015, formerly known as ECMAScript 6 (ES6) makes classes a first class citizen by introducing a few new keywords. At this time, however there are no new features when compared to the the good old JavaScript prototypes. The