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JavaScript vs Perl: What are the differences?

Developers describe JavaScript as "Lightweight, interpreted, object-oriented language with first-class functions". 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. On the other hand, Perl is detailed as "Highly capable, feature-rich programming language with over 26 years of development". Perl is a general-purpose programming language originally developed for text manipulation and now used for a wide range of tasks including system administration, web development, network programming, GUI development, and more.

JavaScript and Perl belong to "Languages" category of the tech stack.

"Can be used on frontend/backend", "It's everywhere" and "Lots of great frameworks" are the key factors why developers consider JavaScript; whereas "Lots of libraries", "Open source" and "Text processing" are the primary reasons why Perl is favored.

Perl is an open source tool with 435 GitHub stars and 152 GitHub forks. Here's a link to Perl's open source repository on GitHub.

According to the StackShare community, JavaScript has a broader approval, being mentioned in 5080 company stacks & 6471 developers stacks; compared to Perl, which is listed in 133 company stacks and 64 developer stacks.

- No public GitHub repository available -

What is 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.

What is Perl?

Perl is a general-purpose programming language originally developed for text manipulation and now used for a wide range of tasks including system administration, web development, network programming, GUI development, and more.

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What are some alternatives to JavaScript and Perl?
TypeScript
TypeScript is a language for application-scale JavaScript development. It's a typed superset of JavaScript that compiles to plain JavaScript.
Node.js
Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices.
Dart
Dart is a cohesive, scalable platform for building apps that run on the web (where you can use Polymer) or on servers (such as with Google Cloud Platform). Use the Dart language, libraries, and tools to write anything from simple scripts to full-featured apps.
CoffeeScript
CoffeeScript is a little language that compiles into JavaScript. Underneath that awkward Java-esque patina, JavaScript has always had a gorgeous heart. CoffeeScript is an attempt to expose the good parts of JavaScript in a simple way.
Java
Java is a programming language and computing platform first released by Sun Microsystems in 1995. There are lots of applications and websites that will not work unless you have Java installed, and more are created every day. Java is fast, secure, and reliable. From laptops to datacenters, game consoles to scientific supercomputers, cell phones to the Internet, Java is everywhere!
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Decisions about JavaScript and Perl
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Reviews of JavaScript and Perl
Review ofJavaScriptJavaScript

excellent!!

How developers use JavaScript and Perl
Avatar of Andrew Faulkner
Andrew Faulkner uses JavaScriptJavaScript

Almost the entire app was written in Javascript, with JSON-based configuration and data storage. The following components were written and/or configured with Javascript:

  • Most server-side scripts, all unit tests, all build tools, etc. were driven by NodeJS.
  • ExpressJS served as the 'backend' server framework.
  • MongoDB (which stores essential JSON) was the main database.
  • MongooseJS was used as the main ORM for communicating with the database, with KnexJS used for certain edge cases.
  • MochaJS, ChaiJS, and ExpectJS were used for unit testing.
  • Frontend builds were done with Gulp and Webpack.
  • Package management was done primarily with npm - with a few exceptions that required the use of Bower (also configured with JSON).
  • "Templating" was done with Javascript dialect JSX.
  • The frontend was build primarily with ReactJS (as the View) and Redux (as the Controller / Store / frontend model).
  • Configuration was done with json files.

The only notable exceptions were the use of SCSS (augmented by Compass) for styling, Bash for a few basic 'system chores' and CLI utilities required for development of the app (most notably git and heroku's CLI interface), and a bit of custom SQL for locations where the ORM extractions leaked (the app is DB-agnostic, but a bit of SQL was required to fill gaps in the ORMs when interfacing with Postgres).

Avatar of OutSystems
OutSystems uses JavaScriptJavaScript

Read more on how to extend the OutSystems UI with Javascript here.

OutSystems provides a very simple to use AJAX mechanism. However, developers can also use JavaScript extensively to customize how users interact with their applications, to create client side custom validations and dynamic behaviors, or even to create custom, very specific, AJAX interactions. For example, each application can have an application-wide defined JavaScript file or set of files included in resources. Page-specific JavaScript can also be defined.

Avatar of Gorka Llona
Gorka Llona uses JavaScriptJavaScript

This GNU/GPL licensed Javascript library allows you to draw complex organizational charts that can't be drawn using Google's tool or equivalents. Orgchart structures are specified with JSON and can be generated on-the-fly by server-side scripts and databases. Events can be attached to clicks over the boxes. Multiple options can be defined; look at the repo for examples. This 1300-code-lines software component with contributors from 8 countries (and others for which I have to integrate their works) appears in the first page of Google Search results when searching for "Javascript Organizational Chart Library".

Avatar of Cloudcraft
Cloudcraft uses JavaScriptJavaScript

JavaScript gets a bad rep, quite undeservedly so in my opinion. Today, JS is closer to functional languages than to the traditional-OO languages, and when used as such provides a great development experience. The pace of development is just picking up with transpilers like Babel making future advanced language features available to the masses today. At Cloudcraft.co, we write 100% of both the front-end (with React) and the backend (with Node.js) in Javascript, using the latest ES6 and even some ES7 features. This is not your grandfather's Javascript!

Avatar of MOKA Analytics
MOKA Analytics uses JavaScriptJavaScript

The application front-end is written in JavaScript (ES6). We originally selected it over TypeScript because many library typings at the time were still flaky and the transpilation time was slow.

We are now re-considering TypeScript because 1) the tooling has improved significantly, and 2) and the root cause of the majority of our front-end bugs are related to typing (despite having PropTypes).

Avatar of Perljobs.Ru
Perljobs.Ru uses PerlPerl

The whole backend part (deployment and other scripts, business logic, web interface) is written in Perl.

Весь бэкенд (скрипты деплоя и прочие, бизнес-логика, веб-интерфейс) написан на Perl.

Avatar of John Galbraith
John Galbraith uses PerlPerl

I use Perl to rip through log files and compare them to some signature files I have created. When I get a match, it adds the bad guy to the list of shame in MySQL.

Avatar of Alexander Karelas
Alexander Karelas uses PerlPerl

A very expressive language, lets you say the same thing in many different ways

Avatar of rapt.fm
rapt.fm uses PerlPerl

We use perl with rex to control our distributed systems.

Avatar of ssshake
ssshake uses PerlPerl

I use perl on some legacy applications.

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