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## ✔ 3.8 Naming conventions for variables, constants, functions and classes ## ✔ 3.8 Naming conventions for variables, constants, functions and classes
**TL;DR:** Use ***lowerCamelCase*** when naming variables and functions, ***UpperCamelCase*** (capital first letter as well) when naming classes and ***UPPERCASE*** for constants. This will help you to easily distinguish between plain functions and classes that require instantioation. Use descriptive names, but try to keep them short. **TL;DR:** Use ***lowerCamelCase*** when naming variables and functions, ***UpperCamelCase*** (capital first letter as well) when naming classes and ***UPPERCASE*** for constants. This will help you to easily distinguish between plain functions and classes that require instantioation. Use descriptive names, but try to keep them short.
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## ✔ 3.9 Use the `===` operator
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## ✔ 3.9 Use Async Await, avoid callbacks
**TL;DR:** Node 8 LTS now has full support for Async/Await. This is a new way of dealing with asyncronous code which supercedes callbacks and promises (while actualy relying on promises). Async Await is non blocking, and it makes asynchronous code looks more synchronous
**Otherwise** [Callback hell 🔥](http://icompile.eladkarako.com/wp-content/uploads/2016/01/icompile.eladkarako.com_callback_hell.gif)
[**More reading:** Guide to async await 1.0](https://github.com/yortus/asyncawait)
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