I have been working with JavaScript for over 5 years now. In the last 3 years, I have written more JavaScript code than C# code. And still there are parts of the language that amaze me. Who would have thought that 10 days of work could give rise to the assembly language of the web.
What is ECMAScript 6 ?
ECMAScript 6 is the upcoming version of the ECMAScript standard. This standard is targeting ratification in June 2015. ES6 is a significant update to the language, and the first update to the language since ES5 was standardized in 2009. See the draft ES6 standard for full specification of the ECMAScript 6 language.
See detailed list of all the features (along with examples) here : https://github.com/lukehoban/es6features
Which JavaScript Engines are implementing these features ?
Pretty much every browser vendor have started implementing some features, if not all.
Here is a live compatibility dashboard : http://kangax.github.io/compat-table/es6/
And as of today, IE is ahead of everyone in the ‘Desktop Browsers’ category.
How can I try some of these ES6 feature today ?
Here are your options:
- Within Browsers
- IE Technical Preview (using Azure RemoteApp)
- Firefox (30.0 or greater…)
- Chrome (40 or greater)
First enable the the new JavaScript features using chrome flags:
The Arrows feature is still not available in chrome but there might be other features that you can play around…
- Using Compilers/polyfills
- Traceur : https://github.com/google/traceur-compiler
- Babel : https://babeljs.io/docs/learn-es6/
Whether you like it or not, JavaScript is here to stay and will play a key role in pushing the web forward..
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