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Node.js Web Development - Third Edition by David Herron

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Node.js and ECMAScript 6 (ES-2015, ES-2016, and so on)

In 2015, the ECMAScript committee released a major update of the JavaScript language. The browser makers are adding those much-needed features, meaning the V8 engine is adding those features as well. These features are making their way into Node.js starting with version 4.x.

Note

To learn about the current status of ES-2015 in Node.js, visit https://nodejs.org/en/docs/es6/.

By default, only the ES-2015 features which V8 considers stable are enabled. Further features can be enabled with command-line options. The almost complete features are enabled with the --es_staging option. The features still in progress are enabled by the --harmony_destructuring option. The website documentation gives more ...

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