Software Alternatives, Accelerators & Startups

Deno VS ClojureScript

Compare Deno VS ClojureScript and see what are their differences

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Deno logo Deno

A secure runtime for JavaScript and TypeScript built with V8, Rust, and Tokio.

ClojureScript logo ClojureScript

A Clojure compiler targeting JavaScript
  • Deno Landing page
    Landing page //
    2023-10-15
  • ClojureScript Landing page
    Landing page //
    2023-05-06

Deno features and specs

  • Security
    Deno has a secure-by-default approach, requiring explicit permission for file, network, and environment access, which reduces the risk of malicious code.
  • Built-in Tooling
    Deno includes built-in tools like a dependency inspector, a code formatter, and a test runner, reducing the need for additional setup.
  • Modern JavaScript/TypeScript
    Deno supports modern JavaScript and has built-in TypeScript support, making it easier to work with contemporary codebases without additional configuration.
  • Simplified Module Management
    Deno uses URLs for importing modules, eliminating the need for a package manager like npm and simplifying dependency management.
  • Compatibility with Web Standards
    Deno aims to be browser-compatible, adhering closely to web standards like the Fetch API, making it easier to share code between the server and the client.

Possible disadvantages of Deno

  • Ecosystem Maturity
    Deno's ecosystem is relatively new compared to Node.js, resulting in fewer libraries, tools, and community resources.
  • Breaking Changes
    Due to its rapid development, Deno can have breaking changes between versions, potentially requiring more frequent updates and code adjustments.
  • Performance
    Deno's performance may not match that of optimized Node.js applications, especially for certain workloads where Node.js has been highly tuned.
  • Learning Curve
    Even though Deno is designed to be familiar to JavaScript and TypeScript developers, it introduces new concepts (like secure-by-default) that may require a learning curve.
  • Limited Enterprise Adoption
    Being relatively new, Deno has limited enterprise adoption, which might make it less appealing for large-scale or long-term projects that rely on a robust support ecosystem.

ClojureScript features and specs

  • Immutable Data Structures
    ClojureScript provides persistent, immutable data structures which simplify reasoning about code and avoiding unintended side effects.
  • Functional Programming
    ClojureScript is a Lisp that encourages functional programming, aiding the creation of concise and predictable code.
  • Interoperability with JavaScript
    ClojureScript can interoperate seamlessly with JavaScript, allowing access to JavaScript libraries and facilitating interaction with existing JavaScript codebases.
  • REPL Driven Development
    The REPL (Read-Eval-Print Loop) in ClojureScript enables rapid testing and iteration of code, resulting in more efficient development processes.
  • Rich Ecosystem
    ClojureScript benefits from the rich ecosystem of Clojure libraries and tools, as well as those available in the JavaScript ecosystem.

Possible disadvantages of ClojureScript

  • Learning Curve
    ClojureScript has a steep learning curve for developers new to Lisp or functional programming paradigms, which may limit its initial adoption.
  • Compilation Overhead
    Unlike JavaScript, ClojureScript code needs to be compiled, which can add complexity and overhead to the development workflow.
  • Smaller Community
    ClojureScript has a smaller community compared to more mainstream JavaScript frameworks, which can affect the availability of resources and support.
  • Tooling Complexity
    Integrating ClojureScript into existing projects can be complex, and its tooling setup might not be as straightforward as more established JavaScript tools.
  • Performance
    While generally performant, ClojureScript applications can sometimes face performance penalties due to the abstraction layers involved.

Analysis of Deno

Overall verdict

  • Deno is a strong option for developers who prioritize security and modern JavaScript/TypeScript features. Its out-of-the-box toolchain can simplify development by reducing dependencies on external libraries and tools.

Why this product is good

  • Deno is designed to address some of the shortcomings of Node.js. It includes built-in TypeScript support, a secure-by-default runtime, module management using URLs instead of package managers like npm, and built-in utilities for tasks such as linting, formatting, and testing.

Recommended for

    Deno is recommended for developers who are starting new projects that can benefit from its modern approach, those who prioritize security, and developers who prefer using TypeScript. However, for large-scale projects that depend heavily on Node.js's extensive package ecosystem, the transition might require additional considerations.

Analysis of ClojureScript

Overall verdict

  • ClojureScript is a powerful tool for developers who appreciate functional programming and are looking to harness the full potential of JavaScript ecosystems while maintaining code clarity and robustness. It is especially valued for projects that require complex state management, concurrent processing, and scalability.

Why this product is good

  • ClojureScript is good due to its robust functional programming paradigm, seamless integration with JavaScript, and the elegance of its syntax. It allows developers to write expressive and concise code using Clojureโ€™s functional features, such as immutability and higher-order functions. ClojureScript compiles to JavaScript, enabling it to run in any environment where JavaScript is supported, including browsers and Node.js. Its interoperability with existing JavaScript libraries is also a significant advantage, allowing developers to leverage a vast ecosystem.

Recommended for

  • Developers with a functional programming background or interest
  • Projects requiring robust state management, such as SPAs or real-time applications
  • Teams looking to leverage JavaScript's capabilities with improved code maintainability
  • Those interested in learning Lisp-like languages with modern web development applications
  • Environments where immutability and concurrency are vital priorities

Deno videos

Why nobody is using Deno?

More videos:

  • Review - What is Deno & Will it replace Node.js?
  • Review - Will Deno replace Node.js: Which programming language is better? | TechLead

ClojureScript videos

How to use NPM Packages in ClojureScript

More videos:

  • Review - ClojureScript - Chris Houser
  • Review - ClojureScript Release - Rich Hickey

Category Popularity

0-100% (relative to Deno and ClojureScript)
Typescript
100 100%
0% 0
Personal Finance
0 0%
100% 100
JavaScript
100 100%
0% 0
Cryptocurrencies
0 0%
100% 100

User comments

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Social recommendations and mentions

Based on our record, Deno seems to be a lot more popular than ClojureScript. While we know about 201 links to Deno, we've tracked only 17 mentions of ClojureScript. 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.

Deno mentions (201)

  • 100 Most Useful Open Source Projects
    Deno โ€” https://deno.land Technology: JavaScript/TypeScript runtime. Backed / sponsored by: Deno Company + open source community. How to generate revenue: Paid hosting, enterprise support, managed Deno services, training. Description / details: Secure by default runtime by Nodeโ€™s original author; integrates TypeScript natively. - Source: dev.to / 10 months ago
  • Benchmarking in Node.js vs Deno: A Comprehensive Comparison
    Deno.bench("URL parsing", () => { new URL("https://deno.land"); }); Deno.bench("Async method", async () => { await crypto.subtle.digest("SHA-256", new Uint8Array([1, 2, 3])); }); Deno.bench({ name: "Long form", fn: () => { new URL("https://deno.land"); }, }); Deno.bench({ name: "Date.now()", group: "timing", baseline: true, fn: () => { Date.now(); }, }); Deno.bench({ name:... - Source: dev.to / over 1 year ago
  • Deno 2.0 REST API Explained: Faster, Secure JavaScript Development
    // Importing the serve function from Deno's standard library Import { serve } from "https://deno.land/std@0.196.0/http/server.ts"; // Function to handle requests Async function handler(req: Request): Promise { const { pathname, searchParams } = new URL(req.url); // Handling different routes if (pathname === "/api/greet" && req.method === "GET") { const name = searchParams.get("name") ||... - Source: dev.to / almost 2 years ago
  • Building a Simple Todo App with Deno and Oak
    Import { Application, Router } from "https://deno.land/x/oak/mod.ts";. - Source: dev.to / almost 2 years ago
  • LogTape: Zero-Dependency Logging for JavaScript That Just Works
    LogTape is a shiny new logging library for JavaScript and TypeScript that's designed with one goal in mind: to make logging simple, flexible, and hassle-free across all your JavaScript environments. Whether you're building applications for Deno, Node.js, Bun, edge functions, or browsers, LogTape has got you covered. - Source: dev.to / almost 2 years ago
View more

ClojureScript mentions (17)

  • jQuery v4.0.0 Beta
    LISP in the browser! You end up having to shit a large runtime with your app but it all transpiles to vanilla JS. https://clojurescript.org/. - Source: Hacker News / over 2 years ago
  • Ask HN: Why don't browsers just build a non-JS interpreter?
    JS isn't perfect, but it's good enough. And there is ongoing effort to make it even better. Also, many other languages compile to JS (without WASM). Notably: - https://www.typescriptlang.org/ - https://coffeescript.org/ - https://clojurescript.org/ - https://www.transcrypt.org/ I wrote https://multi-launch.leftium.com, which is only 6% JS. The majority is Svelte (65%) + TypeScript (27%). ( - Source: Hacker News / over 2 years ago
  • Implement functional programming in Sass
    A few years ago, I started learning the ClojureScript language and quickly became fascinated with functional programming. One day, I wondered if it would be possible to implement a similar programming style in Sass, allowing for anonymous functions and threading macros. After conducting some experiments, I came up with the following Sass functions:. - Source: dev.to / about 3 years ago
  • HTMX is the future
    I also didn't cheat by transpiling Clojure into JavaScript. (see ClojureScript). - Source: dev.to / about 3 years ago
  • Which dialect to choose.
    Clojure has also a mature compiler to JavaScript. https://clojurescript.org/. Source: over 3 years ago
View more

What are some alternatives?

When comparing Deno and ClojureScript, you can also consider the following products

Bun.sh - Bun is an all-in-one JavaScript runtime & toolkit designed for speed, complete with a bundler, test runner, and Node.js-compatible package manager.

ReasonML - ReasonML is a new face to OCaml that--when coupled with BuckleScript--makes web development easy...

Node.js - Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications

Tcl - Already one of the world's best-selling consumer electronics brands, TCL is now the fastest-growing TV brand in North America. TCL TVs feature stylish design and the latest technology.

Fresh Framework - Fresh is a next generation web framework, built for speed, reliability, and simplicity.

Mint - Free personal finance software to assist you to manage your money, financial planning, and budget planning tools. Achieve your financial goals with Mint.