I hate when people avoid clarity in titles and such.<p>For mere mortals, ES2015 (or ES6) is the latest version of <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;ECMAScript" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;ECMAScript</a>, a Javascript specification.<p>(now I am expecting a lot of down flags, just because of my tone. Perhaps deserved. You judge).