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JavaScript VS Scala Lang

Compare JavaScript VS Scala Lang and see what are their differences

JavaScript logo JavaScript

Lightweight, interpreted, object-oriented language with first-class functions

Scala Lang logo Scala Lang

Scala is a pure-bred object-oriented language that runs on the JVM
  • JavaScript Landing page
    Landing page //
    2023-08-05

We recommend LibHunt JavaScript for discovery and comparisons of trending JavaScript projects.

  • Scala Lang Landing page
    Landing page //
    2023-07-28

JavaScript features and specs

  • Wide Browser Support
    JavaScript is supported by all modern web browsers without the need for any plugins, making it highly versatile for client-side scripting.
  • Asynchronous Programming
    JavaScript supports asynchronous programming with features like callbacks, Promises, and async/await, which helps in efficiently handling tasks such as HTTP requests.
  • Rich Ecosystem and Libraries
    The JavaScript ecosystem includes a vast amount of libraries and frameworks like React, Angular, Vue, and Node.js, which streamline development processes.
  • Community Support
    JavaScript has a large and active community, providing extensive resources, documentation, and forums for troubleshooting and development advice.
  • Event-Driven
    The language is inherently event-driven, making it suitable for developing interactive web applications that react to user inputs.
  • Full-Stack Development
    With the advent of Node.js, JavaScript can be used for both client-side and server-side development, enabling full-stack development using a single language.

Possible disadvantages of JavaScript

  • Security Issues
    Being an interpreted language that runs in the browser, JavaScript code is visible to the user, making it susceptible to security risks such as Cross-Site Scripting (XSS).
  • Browser Compatibility
    While JavaScript itself is widely supported, different browsers may implement JavaScript functions and standards differently, leading to compatibility issues.
  • Performance
    JavaScript is generally slower than compiled languages such as C++ or Java. Heavy computations can lead to performance bottlenecks.
  • Single Inheritance
    JavaScript uses prototypal inheritance instead of classical inheritance, which can be confusing for developers coming from object-oriented programming backgrounds.
  • Dynamic Typing
    JavaScript's dynamic typing can lead to runtime errors that are hard to debug, as variable types are checked at runtime rather than during compilation.
  • Fragmentation
    The ecosystem has many competing libraries, frameworks, and tools, which can make it overwhelming for developers to choose the right technologies for their projects.

Scala Lang features and specs

  • Functional Programming
    Scala supports functional programming paradigms, allowing developers to write concise and expressive code using features like higher-order functions, immutable data structures, and lazy evaluation.
  • Interoperability with Java
    Scala runs on the JVM and provides seamless interoperability with Java, enabling the use of Java libraries and frameworks within Scala applications.
  • Expressive Syntax
    Scala's syntax is designed to be concise and expressive, which can lead to more readable and maintainable code compared to some other languages.
  • Strong Type System
    The strong static type system in Scala helps catch errors at compile time, which can improve reliability and enable robust software design.
  • Scalability
    Scala's design facilitates scalability of applications, making it a popular choice for building high-performance systems.
  • Community and Libraries
    Scala has a thriving community and a growing ecosystem of libraries and tools, which enhances the development experience and productivity.

Possible disadvantages of Scala Lang

  • Steep Learning Curve
    Scala's rich feature set and flexible syntax can be seen as complex and overwhelming for beginners, which might result in a steep learning curve.
  • Compilation Speed
    The compilation times for Scala can be significantly longer compared to some other languages, impacting development speed.
  • Tooling and IDE Support
    While Scala's tooling and IDE support have improved over the years, they can still lag behind those available for more mainstream languages like Java or Python.
  • Binary Compatibility
    Scala can face issues with binary compatibility between different versions, which may cause problems when upgrading dependencies in a project.
  • Smaller Talent Pool
    The availability of Scala developers is generally smaller than that of more popular languages, which might pose challenges in recruiting and team expansion.

JavaScript videos

Learn JavaScript in 7 minutes | Create Interactive Websites | Code in 5

More videos:

  • Review - Top 10 JavaScript Interview Questions
  • Review - Learn JavaScript in 12 Minutes

Scala Lang videos

No Scala Lang videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to JavaScript and Scala Lang)
Programming Language
74 74%
26% 26
OOP
75 75%
25% 25
Generic Programming Language
Languages
100 100%
0% 0

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare JavaScript and Scala Lang

JavaScript Reviews

Top 10 Rust Alternatives
In simple words, the main goal of JavaScript is to develop web pages and is used for authentication procedures. Some of the pros of using JavaScript as an alternative to Rust are follows.
Top 15 jQuery Alternatives To Know
ExtJS, as the name suggests, stands for Extended JavaScript. As an offering from Sencha, it depends on YahooUserInterface. ExtJS helps in creating data intensified HTML5 apps with JavaScript. It consists of a huge collection of customizable and high-performance widgets that assist in creating cross-platform mobile and web apps, for any type of modernized device.
The 10 Best Programming Languages to Learn Today
JavaScript skills are always in high demand – most of the world's top websites and apps rely on JavaScript in one way or another. Plus, JavaScript is a great springboard for learning more complex programming languages.
Source: ict.gov.ge

Scala Lang Reviews

We have no reviews of Scala Lang yet.
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Social recommendations and mentions

Based on our record, Scala Lang seems to be more popular. It has been mentiond 5 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

JavaScript mentions (0)

We have not tracked any mentions of JavaScript yet. Tracking of JavaScript recommendations started around Mar 2021.

Scala Lang mentions (5)

  • how to setup scala
    I have a new windows 10 and downloaded the Coursier installer from scala-lang.org, the https://docs.scala-lang.org/getting-started/index.html says that you should have either java8 or java11 installed but most tutorials online and posts says to install latest version of java, which java jdk version should I install or does Coursier install it for me or do I choose the latest jdk (java-jdk-19)? Source: over 2 years ago
  • [NEWBIE] Problem with the very first project (Coursier installer, Win 10, Java 8)
    Try manually installing sbt without coursier. The instructions are on https://scala-lang.org. Source: over 2 years ago
  • The “Either” Issue
    I had met the core developers, we had discussing a lot about which technology would better address our demand and, after many considerations, we had chosen Scala. - Source: dev.to / about 3 years ago
  • Next programming language?
    I like scala. It combines object-oriented and functional programming into one high-level language, which makes it fun to learn. I don't know if it is popular in the robotics industry, but it runs on the jvm and can be combined with java, so there is that. I recommend the book "programming scala". Source: over 3 years ago
  • 25 years of OCaml
    Scala with the Typelevel ecosystem. Stay on the jVM, but have a much more pleasant and robust experience, including a great REPL. Source: almost 4 years ago

What are some alternatives?

When comparing JavaScript and Scala Lang, you can also consider the following products

Python - Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.

Java - A concurrent, class-based, object-oriented, language specifically designed to have as few implementation dependencies as possible

Haskell - An advanced purely-functional programming language

Rust - A safe, concurrent, practical language

Elixir - Dynamic, functional language designed for building scalable and maintainable applications

Typescript - TypeScript allows developers to compile a superset of JavaScript to plain JavaScript on any browser, host, or operating system.