ECMAScript 2015, also referred to as ECMAScript 6, has been approved by ECMA International, the organization said this week. The move provides stability to the technology.

The upgrade to the specification underlying JavaScript has been praised for syntax improvements and improving structural issues, and features of it already have been implemented in browsers. “Approval means the most significant update to ECMAScript since 1999 is now completed and has become an international standard,” said Alan Wirfs-Brock, project editor for the specification and a Mozilla research fellow, in an email. “Browser developers can now complete their implementations of ECMAScript 2015 features knowing that the specification is final and no longer subject to change.”  

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