JavaScript VS Gleam Language

Compare JavaScript VS Gleam Language and see what are their differences

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JavaScript

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

Gleam Language

A friendly language for building type-safe, scalable systems.

Landing page //
2023-08-05

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

Landing page //
2025-06-07

JavaScript

Website: developer.mozilla.org
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Gleam Language

Website: gleam.run
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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.

Gleam Language features and specs

No features have been listed yet.

Analysis of Gleam Language

Overall verdict

Gleam is an excellent, modern choice for developers seeking a type-safe, reliable, and highly concurrent language on the BEAM virtual machine, offering the fault-tolerance of Erlang/Elixir with static typing.

Why this product is good

Strong static type system with type inference that catches errors at compile time
Runs on the battle-tested BEAM (Erlang) virtual machine, enabling massive concurrency and fault tolerance
Seamless interoperability with existing Erlang and Elixir code and libraries
Friendly, readable syntax with a focus on simplicity and clear compiler error messages
Compiles to both Erlang and JavaScript, allowing use on the backend and frontend
Immutable data and functional programming paradigm that promote predictable, maintainable code
Growing, welcoming community and active development

Recommended for

Developers building highly concurrent, distributed, or fault-tolerant systems
Teams wanting the reliability of the BEAM with the safety of static typing
Elixir or Erlang developers seeking stronger compile-time guarantees
Backend services and APIs requiring high scalability
Functional programming enthusiasts who value type safety
Full-stack developers who want to share code between server and browser via JavaScript compilation

JavaScript videos

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

Gleam Language videos

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Category Popularity

0-100% (relative to JavaScript and Gleam Language)

Gleam Language

Programming Language

87 87%

Programming Language

13% 13

OOP

86 86%

OOP

14% 14

Generic Programming Language

82 82%

Generic Programming Language

18% 18

Languages

100 100%

Languages

0% 0

User comments

Share your experience with using JavaScript and Gleam Language. For example, how are they different and which one is better?

Reviews

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

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.

Source: blog.back4app.com

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.

Source: www.spec-india.com

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

Gleam Language Reviews

We have no reviews of Gleam Language yet.
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Social recommendations and mentions

Based on our record, Gleam Language seems to be more popular. It has been mentiond 16 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.

Gleam Language mentions (16)

Odin, Wikipedia and Engagement Farming
Https://gleam.run/ Here's why Gleam belongs on libopedia and Odin does not: >As a community, we want to be friendly too. People from around the world, of all backgrounds, genders, and experience levels are welcome and respected equally. See our community code of conduct for more. >Black lives matter. Trans rights are human rights. No nazi bullsh*t. Does Odin tell you to check your privileges? No? Thought so. OP... - Source: Hacker News / 17 days ago
Gossamer: a Rust-flavoured language with real goroutines and pause-free memory
Gleam comes close if you're comfortable with functional programming: https://gleam.run/. - Source: Hacker News / 24 days ago
Elixir v1.20 released: now a gradually typed language
You might find Gleam[0] a better fit. [0] https://gleam.run/. - Source: Hacker News / about 2 months ago
Ruby for Good
Dude, what? Is it the MINASWAN acronym that's the problem or? If that's "trumpeting moral virtue", I can think of lots of programming languages that trumpet their moral virtue: Let's check out the Rust Code of Conduct (https://rust-lang.org/policies/code-of-conduct/): "Please be kind and courteous. There’s no need to be mean or rude." "We are committed to providing a friendly, safe and welcoming environment for... - Source: Hacker News / about 2 months ago
Hello, Donna (A new Programming Language)
Donna’s syntax is inspired mostly by Gleam, with a few Python-like touches. - Source: dev.to / 2 months ago