Private class fields are finally coming to JavaScript with no less than three separate TC39 proposals that define the new capabilities.

JavaScript classes provide a much simpler and clearer syntax to create objects and deal with inheritance." A StrongLoop blog post echoes the "syntactic sugar" angle. "ECMAScript 2015, formerly known ...

class Song { static label = "Exile"; } The field is then only accessible via the class name, Song.label. Unlike Java, the JavaScript instances do not hold a reference to the shared static variable.

First look: Qt 5 makes JavaScript a first-class citizen for app development The community behind the Qt project has issued an alpha release of Qt 5.