JavaScript vs Ruby on Rails

javascript vs ruby on rails

JavaScript vs Ruby on Rails is not a new question. This question is confusing many new programmers in the world.

JavaScript and Ruby on Rails are both languages for web-developing applications. To become a web developer, you must know which language to prefer.

Because Ruby on Rails and JavaScript programming language have their demand in the market. If you are confused regarding which programming language to choose, this blog will clear your confusions. 

We will discuss in this blog a thorough Javascript vs. Ruby on Rails that will assist you in making a wise decision.

Let’s start with what is JavaScript and Ruby on Rails are. Because if you know about their origins, you will understand their differences very clearly.

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What is JavaScript?

One of the key technologies of the WWW is JavaScript, commonly known as JS, a programming/scripting language frequently used with HTML and CSS (World Wide Web). Brendan Eich created JavaScript while working at Netscape in 1995.

Until Google Chrome launched its JavaScript engine as “node.js,” JavaScript was available in the browser. 

With the help of node.js, you can use JavaScript throughout full-stack development, allowing front-end developers to manage back-end logic and application programming interface without learning a new programming language.

Since it is an interpreted language, it does not need a compiler like C or C++ (Take C++ programming help to learn about this language). Web browsers immediately execute Javascript. 

The overall layout and structure of a website are built using HTML and CSS.

Animated graphics, fillable forms, and photo gallery slideshows are just a few examples of dynamic content that can be produced with Javascript, which is mostly utilized on websites. 

If you’re interested in developing websites, Javascript is a wonderful language to learn. 

It’s an excellent coding language to learn since it’s helpful for front-end and back-end programming, as well as for creating games and mobile applications.

Advantages of JavaScript


With the ability to construct both client-side and server-side programming as well as extra frameworks, tools, and libraries, JavaScript is incredibly flexible.

Reduced Server Load

Without transmitting the data back to the server, JavaScript can execute client-side code directly in the web browser, enabling potential data validation or computation. 

This all helps the server conserve resources and naturally makes it more scalable.

 Inherently Fast

JavaScript’s greatest strength, which sets it apart from all other languages, is its speed. 

Since JavaScript is an interpreted language, compilation is not necessary each time it is executed. 

This makes JavaScript quick and effective and helps developers save a lot of time.

Simple to learn

Javascript has a simple framework that is simple to understand. JavaScript is, therefore, significantly more versatile and time-efficient.


There are several applications for JavaScript, including cross-platform application development, desktop web application frameworks utilizing Electron, and server-side programming using Node.js. Consequently, it is the most favored and well-liked option among product owners.


JavaScript enables programmers to integrate JavaScript code into various languages easily. Additionally, it enables data sharing with connected systems.

Balanced loading

When utilized in client-side applications, Javascript provides data validation on browsers without moving it to the server side. It is considerably more practical because only changing the relevant webpage section will be necessary, eliminating the need to refresh the entire page.

Full-stack capability 

For both front-end and back-end development, Javascript can be utilized. 

For front-end development, there are JS-based languages and frameworks like ReactJS and AngularJS, while for back-end development, there is NodeJS.

Enhanced development assistance

The user experience is improved by Javascript’s extensive APIs for making more visually appealing web pages (sliders, drag & drop, etc.). 

The functionality of JavaScript can be expanded using a variety of add-ons, such as Greasemonkey, which simplifies JavaScript development.

Reduced overhead 

JavaScript improves web page speed by requiring less code and having built-in capabilities to handle DOM access, among other things.

Applications for JavaScript include games, mobile apps, and websites.

Disadvantages of JavaScript

Security Restrictions

In terms of security, JavaScript falls short since client-side access to the code on the web leaves it open to criminal activity, the possibility of data breaches, and the threat of sensitive information escaping from the webpage.

Browser behavior 

It is not directly compatible with all browsers when any program is written in Javascript. So, programmers need to check with all browsers before they can publish. If programs are published without being tested in all browsers, they will not function properly and will generate errors. That way, JavaScript is tested with web browsers, Android phones, Windows applications, and Mac OS because they impact the company’s market position and reputation. 

In final words, it depends completely on Browser’s behaviors.

Multiple inheritances without sufficient support

Javascript permits only one type of inheritance. Anytime a program requires object-oriented behavior, that might be a drawback.

Rendering problems

The rendering of the entire webpage can be stopped by a single mistake in the code. However, contemporary browsers have been enhanced to address these problems.

Process of Complex Debugging

JavaScript debugging is difficult because everything directly integrated into a web browser makes it difficult to diagnose and debug. 

Additionally, there are few tools and suites available overall. While this issue is improving with time, there is still a long way to go.

Observant of the Laws

JavaScript is a language with relatively lax rules and guidelines. Additionally, the flexibility of the laws regarding variable type assignment might ultimately become a difficult issue, especially for beginner developers who must exercise greater caution.

What is Ruby on Rails?

Ruby on Rails (RoR) is a framework for developing server-side online and desktop applications. It was created in the Ruby programming language. Ruby framework is a form of website development skeleton that a programmer can utilize.

It offers some basic structure and optional elements that can be added and removed. The framework was first made available in 2004 by David Heinemeier Hansson. 

But it wasn’t until 2006, when Apple included it with Mac OS X “Leopard,” that it gained popularity and success.

A server-side web application framework available as open source under the MIT license is called Ruby on Rails, or just Rails. It is a code base language for objects.

Additionally, Rails is developed using Ruby rather than putting down SQL code, which will save you a lot of typing.

RoR uses a framework known as MVC (Model View Controller), in which the models store the data, the views display it, and the controller functions as a middleman and handles all three. 

The runtime environment for Rails is a closed system made up of the Ruby interpreter and several scripts, libraries, and assistance tools.

MVC Architecture

Model – Keeps the information. 

View  – Display the information

Controller – controls and organizes the data stored in the model and shown in the view, acting as a mediator in the process.

The Ruby on Rails framework was designed to emphasize portability, flexibility, simplicity, and productivity. 

It can be customized to meet each user’s specific needs. Gems, which are libraries and modules of Ruby applications created into a standard format for installation so that they be utilized as plug-and-play, are another component of the Ruby on Rails framework.

Ruby is used to constructing web applications that run on a web server, together with HTML, JavaScript, and CSS. 

Most people are familiar with it as a platform for creating server-side web applications. Rails can assist you in accelerating the building of significant projects.

Advantages of Ruby on Rails 

A Community That Is Easily Accessible

Because Ruby on Rails is open-source software, it has a thriving community dedicated to giving your project new features. 

As a result, you can quickly access every feature you can think of as “gems” to use in your project. 

Future updates to these gems frequently include the addition of new functionality.

Out-of-the-box Sector Standards

Product owners use Ruby on Rails, which adheres to standards, to enhance the development procedure. 

To provide developers the freedom to select unusual features, it also provides well-established paradigms for software design, such as Convention over Configuration. 

Don’t Repeat Yourself encourages code repetition, while the Active Record Pattern provides a different method of accessing database data.


Ruby on Rails gives projects a web development skeleton so developers can easily carry on with the development. 

The implementation is made simpler by its simple syntax, which is also readable. 

It is an easy-to-use framework for development that enables developers to focus more on the useful components of apps.

Usability in content management systems

Utilizing MVC design in content management systems improves usability by simplifying tasks like adding, reviewing, uploading, publishing, and content management. 

Ruby on Rails uses the MVC design in its implementations, making it simple to create them.

Compatibility with Front end frameworks

Ruby on Rails is compatible with various widely used front-end development frameworks, including Angular.Js (Take angular assignment help to know more about this language), React.Js, and Vue. 

This minimizes the work required for development and makes it possible to reuse and include beautiful elements.

Quick and effective

It takes time and effort to grasp the Ruby on Rails framework because of its constant learning curve. 

Experts claim that by increasing the development pace by 25–40%, you can sell your product more quickly.

Easy Replacement of Resources

Most frameworks struggle to find a substitute for an existing resource in the event that it departs. 

Still, Ruby on Rails is a piece of cake because of its low learning curve and ease of adaptability, making it simple to identify and train the resources you need.

Tools and libraries

The extensive tools system in Ruby on Rails makes it easy to explore new capabilities quickly. 

The framework provides web applications with a standard structure that considers all the usual patterns. 

Additionally, these Gems help in the development of your web application since the community makes sure that there is a Gem for each feature the product owner may imagine.

Industry Standards

Ruby on Rails is well known for maintaining industry standards and recommended procedures. 

Convention over Configuration (CoC) and DRY are examples of techniques and practices used in software engineering ( Do not Repeat Yourself). 

These approaches help in keeping a well-organized, maintainable, and reusable code base. 

It is possible to create even complicated logic as a resilient and successful application by following the MVC design architecture.

As advantages of Ruby on Rails, we may also include portability, simplicity, development efficiency, greater productivity, and extensibility.

Use cases for Ruby on Rails (RoR): Complex software development, e-commerce websites, and entertainment platforms.

Disadvantages of Ruby on Rails 

Lack of Adaptability

Ruby on Rails could be more versatile when handling various objects and details when managing complicated activities. 

The primary reason is that basic, everyday applications are given more attention than apps with intricate implementation logic.

Continuous Improvement

Due to the ongoing support from the developer community, Ruby on Rails is undergoing fast development. 

The fact that Ruby on Rails apps must be maintained current with new releases to utilize all of the functionality might be a drawback.

Performance duration,

Unfortunately, compared to other web development frameworks, Ruby on Rails takes longer to start up. When working on bigger projects, it may be a unique burden.

The price of mistakes

The price of failures in Ruby on Rails is performance time. Developers should thus take special care while creating. 

A little misunderstanding inside the program might result in serious performance problems or unanticipated outcomes.

Within the developer community, Ruby on Rails is starting to lose some of its appeals.

Not a lot of flexibility

Although Ruby on Rails excels at projects with simple functionality, it needs more innovation since it is an opinionated framework with built-in dependencies and modules. 

There are better options than Ruby on Rails if you need additional special features. It would be necessary to redesign the entire application or switch to a different framework that better fits your demands for project development.

Not All New Things Are Good

Change frequently makes new developers unhappy, especially the new ones. It might be overwhelming for new developers to learn about these gems because the community is actively working on both the creation of new ruby gems and improvements to existing ones.

Every Mistake Has a Cost

Throughout the development process, you must pay the price for any mistake you make while using Ruby on Rails. Ruby on Rails has a quick development cycle, yet there are concerns about structural flaws.

Therefore, if a novice team is working on the development process, each error would need a tremendous amount of labor to fix and might potentially

We’ve talked about what JavaScript and Ruby on Rails are, as well as their benefits and drawbacks, which help us understand the significance of both languages.

11+ Major differences between Javascript vs Ruby on Rails.

ParameterRuby on RailsJavaScript
Developed ByDavid Heinemeier HanssonBrendan Eich
Years of Development20031995
PerformanceComparatively SlowerFast
Development TimeFastComparatively Slower
CommunityBig but lesser than JavaScriptEnormous
SecurityHighComparatively Low
PopularityComparatively LowHigh
Resource AvailabilityComparatively LowHigh
DocumentationComparatively Less ExtensiveBetter for Experienced Developer
Object-oriented programming SystemAn object-oriented, dynamic, all-purpose scripting language is Ruby on Rails.JavaScript is an object-oriented scripting, dynamic language.
Programming LanguageRoR is used for backend programming, which is server-side and has database interaction capabilities.mostly used for client- and server-side applications and browser-level interactivity, front-end programming language.

JavaScript Vs Ruby on Rails: Detailed Comparison

Speed in coding 

The development process is supported by several extra and comprehensive libraries in Ruby on Rails. 

JavaScript, on the other hand, operates simultaneously, meaning that every code is run at once.


Because asynchronous programming is not supported, Ruby on Rails has a medium degree of performance. 

Additionally, it takes much CPU time to process, whereas Javascript performs better because of asynchronous support and an event-driven single-threaded design.


Ruby on Rails framework can handle numerous activities simultaneously, supporting multithreading. However, while running complicated applications, performance may suffer. 

On the other hand, because the Javascript interpreter is single-threaded, multi-threading is not supported by Javascript either.


Ruby on Rails offers documentation and a wide range of practical tools to help with development. The Javascript documentation is much more complex. As a result, it takes a lot of effort to understand and is only accessible to experienced developers.


There is no denying that the developer community loves Javascript. Ruby on Rails, in comparison, is far less well-known than JavaScript.

Easy to learn 

Ruby on Rails is much easier to learn, even for a beginner, while JavaScript can be difficult to learn.

Programming Language

RoR is used for backend programming, which is server-side and has database interaction capabilities.

JavaScript is mostly used for client- and server-side applications as well as browser-level interactivity and front-end programming language.

Object-oriented programming System

An object-oriented, dynamic, all-purpose scripting language is Ruby on Rails.

JavaScript is an object-oriented scripting, dynamic language.


Due to its integrated mechanisms for guarding against various online dangers, Ruby on Rails offers improved security. An example. To protect against XSS and SQL injection threats, RoR includes helper classes. But the other. XSS attacks may be highly dangerous to Javascript.

JavaScript vs Ruby on Rails Which is better?

When you compare each programming language, they are both unique individuals. Each has a unique set of qualities, advantages, and disadvantages. 

If you want to choose a programming language according to the trend, then you can choose JavaScript according to Google trends. But it is not necessary that JavaScript is trending in every country. There are many factors which you need to consider which do what I have mentioned above.

Rails is built to function on the web servers that CGI supports. RoR programming is used for frameworks like MySQL, SQL Server, PostgreSQL, Oracle, and DB2.

JavaScript is a powerful, prototype-based, multi-paradigm language that supports declarative and imperative methods.

Both will eventually have their markets, and businesses and startups may select the languages, tools, and technologies most appropriate for their needs based on their requirements and business model.

However, given the qualities that JavaScript and Rails both provide, none is more suitable to succeed than the other.

Bottom Lines

This concludes with a summary of the difference between Ruby and JavaScript. We hope you’ll have a proper understanding of both Ruby and JavaScript. 

Learning both JavaScript and Ruby is a smart idea because each language has benefits and drawbacks of its own. Depending on the project’s needs, we can select between JavaScript and Ruby. 

Although Ruby also has benefits like database migration, quick development, a great community that is most active, simplicity, and meta-programming, JavaScript is more useful than Ruby due to its scalability, performance, front-end, back-end, and flexible file structure.

We can craft punchlines, thus, consider using JavaScript if you want to create scalable, high-performing apps. Ruby may be used in contrast for quick application development and CPU-intensive applications.

Frequently asked questions

Is Ruby on Rails harder than JavaScript?

Ruby is easier than JavaScript. Typing and learning are made simpler. JavaScript and Ruby have a large online community, strong documentation, and tutorials and forums. Therefore, if you select one of them, difficulties may be solved with simplicity.

Is NodeJS faster than Ruby on Rails?

Ruby on Rails syntax is very simple and short; it is easy to visualize and provides only one way to achieve a result. On the other hand, JavaScript syntax is very complicated due to the use of many curly braces ({} ) and other “weird” punctuation for various purposes, making it much more complicated than Ruby on Rails, which may appear off-putting to newcomers.