The document provides eight tips for mastering Node.js, focusing on best practices for developers to enhance code quality and application performance. Recommended practices include modularizing code, grouping 'require' statements, adopting JavaScript standard style, using asynchronous code, implementing semantic versioning, promptly addressing errors, utilizing containers for deployment security, and ensuring application security. These approaches aim to improve readability, maintainability, and overall efficiency in Node.js applications.

1. Node.JS
8 Tips for Mastering
Node.js

2. As one of the most popular open source
platforms for developing server applications,
Node.JS has a wider acceptance amongst the
developer’s community largely for its lightning
speed and diverse scalability have made it a
preferred choice for conceiving complex
developments, ever since it came into being in
2009. While an enhanced focus on User
Interface (UI) and User Experience (UX) has
helped achieve superlative reach ability, here’s
how the developers could upscale their
product credibility following optimal code
practices to begin with.

3. Modularize
Your Code
# N o d e . j s

4. Modularize Your Code
Entangled in the habit of writing
uncomfortably long pieces of code? As
working way out, organize your code into
smaller pieces that improve readability for
your and anyone else’s later reference. It
may seem to be difficult, but rewards of the
same will show up later on. If you can’t do
that, how could you expect anyone else to
do that?
If you do that, you would find it relatively
easy to make most of Node’s asynchronous
philosophy. Keeping chunks of code small
will help you during the development of
complex applications in Node.JS.

5. Group
‘Require’
Statements
at the Top
# n o d e . j s

6. Group ‘Require’ Statements
at the Top
This one is hugely recommended! Grouping
‘Require’ statements at the top to avoid
performance issues as ‘Require’ is
synchronous and halts the execution.
Instead, you could utilize the in-built
module loading system of Node that has its
own require function for loading modules
existing in separate files.

7. JavaScript
Standard
Style to the
Rescue# N o d e . j s

8. JavaScript Standard Style to
the Rescue
Further, an absence of a set development
style can lead to serious problems in the
code later on and the same can be better
avoided by opting for Javascript Standard
Style. In this way, you would be spared of
unnecessary complications and managing
.jscsrc or .jshintrc files as well.
 Automatically format code – by running
standard –fix, you can auto format code
 It is possible to save a lot of time by fixing
programming errors and style issues
early on
 For strings make use of single quotes
 Single space after keywords
 Function name followed by space

9. Use
Asynchron
ous Code
# n o d e . j s

10. Use Asynchronous Code
Input/output operations can be performed
synchronously (where the resources get
blocked for some duration) or
asynchronously (where the resources aren’t
blocked and tasks can be performed in
parallel). However, if there are multiple such
operations where resources keep getting
blocked, the performance of overall web
application would be hampered
significantly. The Promise object and the
Event Loop can prove to be of immense
help in this regard.

11. Semantic
Versioning
# n o d e . j s

12. Semantic Versioning
Have you ever thought that by updating
packages without SemVer you are already
breaking up Node apps! It is so important to
use Semantic Versioning to notify your
customers about updates and that what all
tasks are required at their end for updating
to the new version.

13. Nip the
Errors in
the Bud
# n o d e . j s

14. Nip the Errors in the Bud
Leaving bugs in the code can lead to ugly
scenarios, at times even after deployment.
In order to stay clear from causing total
chaos later on, make it a point to listen to
error events. In this way, you can spot an
error at an early stage and take corrective
action accordingly. Error handling is
somewhat easy in Node and you could
make use of the same without any major
fuss.

15. Make Use of
Containers
# n o d e . j s

16. Make Use of Containers
Containers are essentially the way forward
when it comes to programming with Node.
A container like Docker can make your
deployments immensely secure, among
other advantages. Besides that, you could
even simulate production environments
locally with the same.

17. Ensure
Security,
Above
Anything
Else# n o d e . j s

18. Ensure Security, Above
Anything Else
Ensuring that your applications are
completely secure is the least expected
from you as a developer. There a number of
useful applications within Node such as
Node.JS security, Data Validation, Session
Management, Brute Force protection and so
on.

19. Node.js
Node.JS Technology has proven to be an
immensely effective tool for solving a variety of
problems and that is precisely the reason why
developers happen to prefer it over other tools.
Though it’s difficult to resist the temptation, a
quick browse through the best practices will
surely help leap over possible inconsistencies.

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