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What is ES6?

Goals for ECMAScript 2015 include providing better support for large applications, library creation, and for use of ECMAScript as a compilation target for other languages. Some of its major enhancements include modules, class declarations, lexical block scoping, iterators and generators, promises for asynchronous programming, destructuring patterns, and proper tail calls.
ES6 is a tool in the Languages category of a tech stack.

Who uses ES6?

Companies
2390 companies reportedly use ES6 in their tech stacks, including Slack, StackShare, and Discord.

Developers
24331 developers on StackShare have stated that they use ES6.

ES6 Integrations

Gatsby, Apache OpenWhisk, Draggable JS, Trails, and Backpack are some of the popular tools that integrate with ES6. Here's a list of all 14 tools that integrate with ES6.
Public Decisions about ES6

Here are some stack decisions, common use cases and reviews by companies and developers who chose ES6 in their tech stack.

Nick Parsons
Nick Parsons
Director of Developer Marketing at Stream · | 35 upvotes · 997.5K views

Winds 2.0 is an open source Podcast/RSS reader developed by Stream with a core goal to enable a wide range of developers to contribute.

We chose JavaScript because nearly every developer knows or can, at the very least, read JavaScript. With ES6 and Node.js v10.x.x, it’s become a very capable language. Async/Await is powerful and easy to use (Async/Await vs Promises). Babel allows us to experiment with next-generation JavaScript (features that are not in the official JavaScript spec yet). Yarn allows us to consistently install packages quickly (and is filled with tons of new tricks)

We’re using JavaScript for everything – both front and backend. Most of our team is experienced with Go and Python, so Node was not an obvious choice for this app.

Sure... there will be haters who refuse to acknowledge that there is anything remotely positive about JavaScript (there are even rants on Hacker News about Node.js); however, without writing completely in JavaScript, we would not have seen the results we did.

#FrameworksFullStack #Languages

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Ali Soueidan
Ali Soueidan
Creative Web Developer at Ali Soueidan · | 18 upvotes · 634.7K views

Application and Data: Since my personal website ( https://alisoueidan.com ) is a SPA I've chosen to use Vue.js, as a framework to create it. After a short skeptical phase I immediately felt in love with the single file component concept! I also used vuex for state management, which makes working with several components, which are communicating with each other even more fun and convenient to use. Of course, using Vue requires using JavaScript as well, since it is the basis of it.

For markup and style, I used Pug and Sass, since they’re the perfect match to me. I love the clean and strict syntax of both of them and even more that their structure is almost similar. Also, both of them come with an expanded functionality such as mixins, loops and so on related to their “siblings” (HTML and CSS). Both of them require nesting and prevent untidy code, which can be a huge advantage when working in teams. I used JSON to store data (since the data quantity on my website is moderate) – JSON works also good in combo with Pug, using for loops, based on the JSON Objects for example.

To send my contact form I used PHP, since sending emails using PHP is still relatively convenient, simple and easy done.

DevOps: Of course, I used Git to do my version management (which I even do in smaller projects like my website just have an additional backup of my code). On top of that I used GitHub since it now supports private repository for free accounts (which I am using for my own). I use Babel to use ES6 functionality such as arrow functions and so on, and still don’t losing cross browser compatibility.

Side note: I used npm for package management. 🎉

*Business Tools: * I use Asana to organize my project. This is a big advantage to me, even if I work alone, since “private” projects can get interrupted for some time. By using Asana I still know (even after month of not touching a project) what I’ve done, on which task I was at last working on and what still is to do. Working in Teams (for enterprise I’d take on Jira instead) of course Asana is a Tool which I really love to use as well. All the graphics on my website are SVG which I have created with Adobe Illustrator and adjusted within the SVG code or by using JavaScript or CSS (SASS).

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I consider myself now (after a few years of practice) to be a decent JavaScript/Node.js practitioner. So can someone convince me that I have to learn TypeScript and use it in my everyday life? In other words, why would TypeScript be necessary over some proper ES6 compliant code with strict mode enabled? Any thoughts/opinions are welcome.

EDIT 07/20/2020 : Thank you all for your feedback. I'm definitely going to invest some time in some TypeScript education in the long run. Apart from all the points you made in your responses (static typing, compilation, codebase consistency, etc ...), the fact that Deno may go big (which I hope, the improvements over Node.js could be life changing) and that Visual Studio Code (which I use) is built on top of Electron using TypeScript is what convinces me.

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Stitch’s frontend is used to configure data sources and destinations and monitor the status of each. Although we have been using AngularJS since its early days, we recently introduced React components into our front end, which many of our developers find easier to work with. We started using CoffeeScript when it was one of the few options for a more expressive alternative to vanilla JavaScript, but today we opt to instead write new code in ES6, which we feel is a more mature alternative.

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Simon Reymann
Simon Reymann
Senior Fullstack Developer at QUANTUSflow Software GmbH · | 12 upvotes · 31K views

Here are our 3 main claims why TypeScript is the way to go.

  • TypeScript is simply JavaScript that scales
  • TypeScript is a superset of JavaScript
  • TypeScript is not a "new" language - It is JavaScript from the future

TypeScript has the following main advantages compared to JavaScript:

  • Typing & Scoping: With static typing, the type of a variable is known at coding time. In dynamic typing the types might be uncertain which could lead to runtime errors. Therefore Strong typing leads to fewer runtime errors. The declaration of variables when it comes to Function Scoping (var) vs. Block Scoping (let) introduced pitfalls lurking in JavaScript. The solution in ES6 - and thus TypeScript - is let. Because variables declared with let follow the rules of block scoping.

  • Collaboration: When large coding projects have many developers there is a chance of messier coding. The number of errors increases which makes the handling difficult. With strong typing the amount of errors decreases and debugging becomes much more easier.

  • Productivity: TypeScript uses the latest ECMA features. Auto-completion features as well as more clear, comprehensible and readable code will boost the productivity of the developer drastically.

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Hampton Catlin
Hampton Catlin
VP of Engineering at Rent The Runway · | 10 upvotes · 120.1K views

We use JavaScript because it's the standard for web development, especially with browser execution. And, over the years, some smart work by the W3C has taken Javascript from the most-hated-language to the okay-I-can-make-that-good. No small feat!

Obviously, using ES6 and TypeScript is what makes it decent in browser contexts. Throw in a bit of React and now we're cooking with gas!

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ES6 Alternatives & Comparisons

What are some alternatives to ES6?
JavaScript
JavaScript is most known as the scripting language for Web pages, but used in many non-browser environments as well such as node.js or Apache CouchDB. It is a prototype-based, multi-paradigm scripting language that is dynamic,and supports object-oriented, imperative, and functional programming styles.
CoffeeScript
It adds syntactic sugar inspired by Ruby, Python and Haskell in an effort to enhance JavaScript's brevity and readability. Specific additional features include list comprehension and de-structuring assignment.
TypeScript
TypeScript is a language for application-scale JavaScript development. It's a typed superset of JavaScript that compiles to plain JavaScript.
jQuery
jQuery is a cross-platform JavaScript library designed to simplify the client-side scripting of HTML.
PHP
Fast, flexible and pragmatic, PHP powers everything from your blog to the most popular websites in the world.
See all alternatives

ES6's Followers
19009 developers follow ES6 to keep up with related blogs and decisions.
Warm Warm
Ajito Nelson Lucio da Costa
EDSON GABRIEL
Fábio Marques
jack jim
Kaique Ferreira
Mohamad Dzul Syakimin Mohd Noor
Miguel Rosciano
Kamlesh Tajpuri
Ko Kamenashi