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ReScript VS ES6

Compare ReScript VS ES6 and see what are their differences

ReScript logo ReScript

reScript enables doctors to generate and send signature exempt prescriptions electronically to patients and pharmacies. See how reScript works.

ES6 logo ES6

The next version of JavaScript
  • ReScript Landing page
    Landing page //
    2021-01-28
  • ES6 Landing page
    Landing page //
    2019-08-09

ReScript features and specs

  • JavaScript Interoperability
    ReScript offers seamless interoperability with JavaScript, allowing developers to gradually integrate it into existing JavaScript projects without a complete rewrite.
  • Familiar Syntax
    ReScript's syntax is user-friendly and similar to JavaScript, making it more accessible to developers familiar with the JavaScript ecosystem.
  • Type Safety
    ReScript provides strong static typing that helps catch errors at compile time, reducing the likelihood of runtime errors and improving code reliability.
  • Performance
    Code compiled from ReScript is highly optimized, resulting in performance improvements over traditional JavaScript in certain scenarios.
  • Active Community
    ReScript has a growing community and active development, offering support, tools, and libraries that continue to evolve.
  • Simplified Abstractions
    ReScript offers simplified abstractions compared to some other languages that compile to JavaScript, enabling faster onboarding and easier codebases.

Possible disadvantages of ReScript

  • Learning Curve
    Despite its JavaScript-like syntax, ReScript can still have a steep learning curve for developers unfamiliar with functional programming or type systems.
  • Less Mature Ecosystem
    Compared to JavaScript or TypeScript, ReScript's ecosystem is less mature, potentially leading to fewer libraries, tools, or third-party integrations.
  • Limited Adoption
    ReScript is not as widely adopted as other languages or frameworks, which might lead to challenges in finding resources, developers, or community support.
  • Tooling Limitations
    While evolving, ReScript's tooling support may not be as comprehensive as more established languages, which can impact developer experience.
  • Backward Compatibility
    ReScript evolves rapidly, which might lead to breaking changes or deprecated features impacting long-term maintenance of projects.

ES6 features and specs

  • Arrow Functions
    Enable a more concise syntax for writing function expressions, and automatically bind the context, which simplifies working with 'this'.
  • Template Literals
    Allow embedding expressions and using multi-line strings, improving string manipulation and readability.
  • Destructuring Assignment
    Provides a clear and concise way to extract values from arrays and objects, leading to cleaner and more readable code.
  • Classes
    Bring a more familiar object-oriented approach to JavaScript, offering syntactic sugar over JavaScript's prototype-based inheritance.
  • Modules
    Facilitate code organization by allowing the import and export of modules, enabling better modularity and reusability.
  • Promises
    Introduce a simpler way to deal with asynchronous operations, making it easier to handle errors and work with callbacks.
  • let and const
    Introduce block-level scoping to variables, reducing the likelihood of bugs associated with hoisting and variable scope issues.

Possible disadvantages of ES6

  • Compatibility Issues
    Some environments, especially older browsers, may not fully support ES6, requiring transpilation to ES5 with tools like Babel.
  • Learning Curve
    Developers familiar with ES5 may need time to adapt to new syntax and features, potentially slowing down immediate productivity.
  • Babel Required for Older Browsers
    To ensure browser compatibility, projects often require Babel or similar tools to transpile ES6 code to ES5, adding complexity to the build process.
  • Complexity in Tooling
    ES6 introduces new tools and build systems like Webpack, which can be complex to configure for beginners.

Analysis of ReScript

Overall verdict

  • ReScript is a solid, well-designed language for building robust web applications, offering strong type safety and excellent JavaScript interop with fast compilation, making it a good choice for teams that value reliability and developer productivity.

Why this product is good

  • Strong, sound static type system that catches errors at compile time without requiring type annotations everywhere thanks to powerful type inference
  • Fast compilation and clean, readable JavaScript output that integrates smoothly with existing JS/TS ecosystems
  • Excellent React support through ReScript-React, making it a great fit for modern frontend development
  • Rooted in OCaml's mature type theory, providing reliability and predictability
  • Great editor tooling and clear, actionable error messages that improve the developer experience

Recommended for

  • Frontend teams building React applications who want stronger type safety than TypeScript
  • Developers who value sound type systems and functional programming paradigms
  • Projects that need reliable, maintainable codebases with fewer runtime errors
  • Teams migrating from or interoperating with existing JavaScript/TypeScript projects
  • Engineers coming from an OCaml or ML-family background looking for web development

ReScript videos

Cenozoic Survival || Rescript Review || Roblox

More videos:

  • Review - Rescript A4 Paper | Unboxing and Review
  • Tutorial - Getting Started with ReScript - ReScript Tutorial
  • Review - ReScript: digitalising a hospital with the JavaScript from the Future - MAXIM VALCKE

ES6 videos

2020 NIO ES6 Review and Test Drive in Xi'an Shaanxi China

More videos:

  • Review - Nio ES6 impressions / review after driving +1000 kilometres
  • Review - CHINA EV DRIVER - Why I bought TESLA Model 3 Killer - China's NIO ES6 (Time Stamps in Description)

Category Popularity

0-100% (relative to ReScript and ES6)
Languages & Frameworks
100 100%
0% 0
Programming Language
29 29%
71% 71
Languages
56 56%
44% 44
OOP
0 0%
100% 100

User comments

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Social recommendations and mentions

Based on our record, ES6 seems to be more popular. It has been mentiond 17 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.

ReScript mentions (0)

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

ES6 mentions (17)

  • A comprehensive guide to JavaScript generators
    Generators were first introduced in ES6 and have since become a fundamental part of the language. They are defined using the function keyword suffixed with an asterisk like: function*. Hereโ€™s an example:. - Source: dev.to / over 1 year ago
  • Common JavaScript Mistakes Developers Make
    Block scope: Introduced in ES6 (ECMAScript 2015), block scope allows you to declare variables with the let and const keywords within specific code blocks defined by curly braces, such as if statements, loops, and arrow functions. This provides even more precise control over variable accessibility and helps prevent unwanted side effects. - Source: dev.to / almost 2 years ago
  • You're parsing URLs wrong.
    But JavaScript didn't always have a good way to construct and parse URLs built in. The URL object was first included in the ECMAScript 2015 specs. - Source: dev.to / about 2 years ago
  • Time, Space and Complexity
    The ECMAScript 2015 (ES6) standard introduced the concept of "proper tail calls" (PTC), which mandates that compliant JavaScript engines must implement TCO for tail calls. PTC ensures that a function call in tail position does not increase the call stack size, thus allowing for potentially infinite recursive calls in constant stack space. - Source: dev.to / over 2 years ago
  • Var, Let , Const - Javascript basics
    Let was introduced in ES6ECMAScript2015. It is Block Scoped, any code written within {} is said to be in a Block. So, that's the restriction that ECMA wanted to implement with let, making variables inaccessible outside the block. - Source: dev.to / over 2 years ago
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What are some alternatives?

When comparing ReScript and ES6, you can also consider the following products

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

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

PHP - A popular general-purpose scripting language that is especially suited to web development

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

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

HTML5 - 5th major revision of the core language of the World Wide Web