Monthly Archives: December 2018

Top reactjs development companies

Top 5 React.JS development companies in 2019

Top 5 ReactJS development companies in 2019

ReactJS is the very latest JavaScript open source library majorly utilized to split pages or features into smaller parts of reusable components. With the help of ReactJS a website can be developed by a combination of multiple components, which are built on the top of the other components. ReactJS, created by Facebook, is also used by the other popular companies including Yahoo.

ReactJS is currently used by the most popular websites like, Netflix, Imgur, Bleacher Report, Feedly, Airbnb, SeatGeek, HelloSign, Walmart, and others. It is backed by a community of ReactJS developers who come up with a sophisticated web application using the cutting-edge features of this JavaScript library.

Top 5 ReactJS App Development Companies

1.CronJ – CronJ is one of the early adopters of Node.js, React.js, Angular.js, MeanStack & array of JavaScript stack. They provide fixed bid ReactJS development as well as the monthly based ReactJS developer hiring model which suits the customer requirement. Their developers are well versed with the latest JavaScript technologies. CronJ is one of the top ReactJS development companies in the country. CronJ’s developers are very competent and perseverant. If you are looking for a seamless web and mobile app solutions, then CronJ is considered as the best ReactJS development company.

top reactjs develpment companies
Cronj IT technologies Pvt Ltd

Benefits of Hiring React Developers from CronJ

  • Dedicated developer working only on your requirement
  • 20,000 + hours of ReactJS experience
  • 15 + Projects developed & delivered
  • 10 + Open source project contribution
  • They deliver project across the globe
  • 100% Confidentiality Assured with Strict NDA terms.

    Website –

2. WebClues Infotech – WebClues Infotech is a web and mobile application development company that offers effective and successful solutions. They are known to deliver to numerous services such as web development, branding, cloud computing, web design, and mobile application development. Founded in 2014, WebClues Infotech has strived to become the optimal solution to your needs in terms of Website Development, Web Design, Web Hosting, Enterprise Solutions, Android and iOS Technology.

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Also Read: Angular vs React explained in detail..!!

3. Inwizards Inwizards is one of the highly structured, performance focused and customer-centric organization. Inwizards follows the idea of development and sustainable to bring about a change in the quality of services and business. Started in 2009, Inwizards is mostly specialized in Website & Mobile App Development, E-Commerce Solutions, React, React Native, PhoneGap, Titanium, etc.

Website –


Also Read: React vs Angular2: You should know the difference

4. iGnovate Solutions – iGnovte Solutions is a Chennai based application development company specialized in building MVPs for the startups. It is mainly focused on creating compelling user experience design digital experiences and building topnotch highly scalable web and mobile applications for startups and SME’s. iGnovate has been able to successfully deliver exceptional and scalable applications with React.

Website –

Ignovate Solutions

Also Read: React vs Angular vs Vue: A complete comparison

5. Bacancy – With 100+ developers, situated on the different countries, Bacancy Technology delivers value and high performance at every stage of product development, from planning to delivery.

Website –

top reactjs develpment companies

Reactjs developers 6 pro tips

6 Pro Tips from React Developers

If you’re new to ReactJs, you could benefit from learning from the success and failure from react.Js developers. Here are the 6 pro tips from react.js developers.

React Developers Pro Tip #1 

– Use the functional components, if you do not need internal state or lifecycle methods. Here’s a class-based component, that really ought to be a functional component, now, it’s a pure function that accepts props as this argument and returns a react element. The advantages of functional components are there’s less code so it’s easier to understand the component is stateless so you don’t accidentally store state on a component that you shouldn’t. The component is simpler to test, there’s no this finding and it’s easier to see when and where to extract smaller components which leads me

React Developers Pro Tip #2

– To keep your components small, small components are easier to read tests maintain and reuse, for example, a comment component, it contains a comment div with a user info tip inside of it along with the division for comment text and comment date but if I’m going to use this user info information during my application, I can extract this into its own component. In this case, a functional component is neatly tuck, the user info component within my common component and wherever else in my application that I’ll need it, since I’m now in a functional component I do not require the dots, so they’ll get deleted and if I wanted to make this even more modular I could take out this block of code make it into its own Avatar component, then switch this out and nest avatar, now I will have  my Avatar component within my user component, within my common component they are compact and very simple to read Reuse and maintain.

React Developers Pro Tip #3

Understand how to handle ‘this’ remember tip 1, since functional components don’t require this binding you’ll want to use them whenever possible but if you are using an es6 class you’ll want to bind this manually, since react doesn’t auto bind the functions within that component here are several methods for doing so.

One method is to, Bindin render. So this way is concise and clear and works, but it can cause a little performance issue because a new function is going to be called every time this component re-renders which could be very frequent. Another option is to use an Arrow function render. So this is concise and clear, like method one, but like method one it will also create a new function every time, this component renders another method is to Bind in the constructor. So this is going to resolve the possible performance issues of methods 1 and 2 – just don’t forget to call super here in the constructor, another method is to bind in the Arrow function of a class property. So this is much clean and readable and it’s going to ignore performance issues of methods 1 and 2 and avoids the repetition of method 3, please be aware, however, this method relies on experimental features and it’s not an official part of the ACMA script specification. You can allow experimental language features by installing and configuring the babel package and apps created by a create react app has many features enabled.

React Developers Pro Tip #4

Use a function in SetState, not an object. According to the react Docs, react does not guarantee that state changes are applied immediately, therefore, reading this state right after calling set state is a potential pitfall, because the dot state may not be actually what you think it is,  instead of updating state with an object we can update it with a function. Function will accept the previous state as its first argument, and the props at the time the update is applied as it’s the second argument.

React Developers Pro Tip #5

– Utilize prop types, prop type is a library for type checking props and it can help to prevent bugs by ensuring you are using the right data types for your props, it is an external library so you’re going to install npm or however, you prefer installing then import the library and add prop types to the component, set the data type accordingly and if it’s needed add is required.

React Developers Pro Tip #6

–  Use react developer tools, let’s take a look at the features, now looking at any web application built in react, we can notice in the react tab we can view the component hierarchy and if we were to click on a component, we can view the props as well as the state of that component so as you can notice this is a very valuable and very helpful tool to test and debug and really understand what’s happening with your app. If you have any more react tips, I’d love to hear about them in the comments.

Happy coding 🙂

React vs Angular vs Vue

React vs Angular vs Vue: A complete comparison

Angular vs React vs Vue: Selecting a front-end framework can be a difficult and confusing process, you’ve heard of Angular.Js and React.Js there’s this new thing called Vue.Js But, you don’t have time to learn all three, so how do you choose whatever you do not overthink that  can be successful with any of these frameworks, also learning one framework makes it easier to learn another as you learn everything you need to know about a framework. Searching for Best AngularJs Development Services Company?

  • You won’t just learn about that specific framework, but also, you’ll learn about these Shared concepts,
  • Architecting single page applications or spa’s designing and developing components
  • Understanding how data flows through an application properly,
  • Managing state templating and
  • Data binding working with back-end API’s
  • Handling client-side routing using language abstractions like, SAS and typescript
  • Applying testing and all of its variant forms and
  • Leveraging front-end builds react offers easy lightweight component creation,
  • Functional stateless components are about as easy as it gets

Additionally, React’s elegant API encourages you to embrace composition using components. React as a very popular evidenced by its large supporting community and it is especially popular with startups the availability of a wide variety of open-source community developed extensions for react gives you a lot of choices for building out complete solutions.

Component templates

React vs Angular vs Vue

which are written using JSX, not native HTML so expect a bit of an adjustment period and because of its focus on building new eyes. You’ll likely need to extend react with third-party libraries, luckily there are lots of great choices or fulfilling almost any requirement but having more choices can be overwhelming or confusing. Especially for beginners, angular is an all-inclusive framework that provides more in the box than React.Js or Vue.Js, because of this, it provides more guidance on how to build complete solutions and it’s focused on application development that makes it popular with enterprises. Searching for Best ReactJs Development Services Company?

Angular’s large API has the steepest learning curve

React vs Angular vs Vue

Angular has the most capable CLI of the three frameworks, typescript offers developers with less JavaScript experience, a friendlier transition to client-side development and while it’s binding syntax takes a bit to get used to being able to leverage native HTML and CSS for component templates and styles and it is a plus. Angular’s large API has the steepest learning curve of the three frameworks, the Angular code can also feel verbose and complex at times when compared to the reactant view. Vue scaled-down experience offers an easy on-ramp for developers who are newer to client-side development, while still being capable enough to grow with you and while it’s not as inclusive as angular view does offer more in the box than react this makes it a popular choice for the beginners.

Vue.Js is newer than both ReactJs and AngularJs

React vs Angular vs Vue

Vue.Js also allows you to leverage your native HTML and CSS skills and it’s known for its well-written documentation. Vue.Js is newer than both react and angular so while its community is growing, it’s not currently as established or as big as the others when deciding on which to use think about your situation or requirements.

If you’re looking to land a job as a developer,

  • What are the employers in your area are looking for?
  • Do they want to work with the startup or our more established enterprise?
  • Do a survey of local job openings or talk with the recruiter which framework has the most active local community,
  • Get out and attend a local meetup that’s focused on ReactJs, AngularJs or Vue.Js and meet other developers who are passionate about those frameworks.

If you’re selecting a framework for your team’s next project, what does the collective skill set for your team look like, do they have a lot of  general JavaScript knowledge, which our team benefit from selecting a framework with a gentler learning curve and what features are very important for the application that you’re building.

The Comparison: React vs Angular vs Vue

Reactant view at their core is focused on building user interfaces, while angular is focused on building applications because of this angular is bigger more complex it has a steeper learning curve. While they’re initially smaller and less complex the more that you extend reactant view the more than their size and complexity will grow.

All three frameworks provide Co-lies or command-line interfaces, these C lies makes it easy to create new projects, support local development and prepare your apps for deployment. All three frameworks also have great support within code editors, like Visual Studio code and atom, to get the best experience you’ll need to install the appropriate editor extensions while performance benchmarks vary for some use cases, each of these frameworks offers similar performance given that for most developers or teams performance isn’t a significant differentiating factor.

Trying to choose which of these front-end frameworks is the best.? It is a little like trying to decide which ice-cream flavor is the best, it’s a subjective decision that will vary from each person and situation and your favorite will likely change over time, remember picking the right front-end framework is important but it’s far more important to focus on learning these shared concepts, this will prepare you for whatever happens to come next and make no mistake, front-end web development like all programming specialties will continue to change and evolve over time!

React vs angular2

React vs Angular2: You should know the difference

React vs Angular2: In my previous article, we had a discussion on react vs angular right? Now we will discuss React vs Angular2. It is very important to know that, the right choice of technology always matter.  Having the experience to work with a variety of technologists, I am very much excited to help you on how to decide between angular2 and react.Js frameworks. Angularjs is an open source JavaScript framework providing everything needed to create a client-side or website.

Angular is a Google creation that was designed with simplicity in mind

React vs angular2

It is worth noting that its second version, unlike the first one, has got rid of all unnecessary complexity. The team of angular 2 developers has added native apps support, server-side rendering, and much more. We also cannot omit the fact that angular 2 performance increase dramatically.

First of all, angular is a Google creation that was designed with simplicity in mind. It means that angular will not injure coders’ psyche while learning. Besides, many coders’ point out that if your angular code looks complicated  – you are doing something wrong. The popular websites built on angular we can refer: GoodFilms, Freelancer, Upwork, etc. ReactJS is a JavaScript-based open source library with the JSX compiler. This library is mainly focused on the user interface allowing to create reusable UI view components. From the technological point of view, react-based solutions are feeling friendly. Their performance effects ability is high, so popular websites built on react.js we can refer, to Netflix, Sidley, Walmart etc.

Technologies Comparison – React vs Angular2

Now, let’s dive deeper into details that are quite important during technology selection. One should be acknowledged with the kind of license that framework is disturbed under. Several licenses are much flexible to work with and one can use them to create commercial apps without any problem. However, there is a variety of license that doesn’t give you such a freedom of action.

Angular and react are both open source with no restrictions towards the usage, angular uses MIT license against three closed BSD used in react. However, the only visible difference of BSD is a ban on usage of a right holders name for advertising purposes.

Model, View, and Controller

react vs angular2

The model-view-controller pattern allows splitting the project data into three components: Model, View, and controller. This way, the magnification of each component can be conducted independently leading to tighter code and increasing the quality of the final product. Among all the angular features, the availability of MVC patterns out of the box is a significant advantage to reactJs.

Talking about angular, worth to mention its ease of display templates writing. Having really straightforward UI for your data, angular allows you to get the end result with a more intuitive approach to the user interface that demands less code and seems to be more obvious.

Document Object Model(DOM)

In that case with reactJs, it needs some special functions in order to manage data display. Mostly it means that you should define the way your data is represented before it will be coded into the DOM. That might cause a disconnect during its attempts to determine how a particular element will be rendered. Angular uses two-way data-binding, with its help, the framework is able to connect DOM model data via the controller.

In a nutshell, when a user interacts with inputs and provides new value to your app not only view can be updated but also the model too. Therefore, you do not need to write any method for tracking these changes within the application.

However, this approach affects performance since a watcher for each binding is created. React uses one-way data-binding, where the flow data is directed only in one way. Due to this, you will only be aware of a place where your data changes. This approach is much easier to debug when it comes to large application.

Angular creates a watcher for every binding in order to track all the changes in the DOM. As soon as the view gets some updates, Angular start comparing obtain values with the initial ones. So that, Angular 2 performance may cause some problem when it comes to massive apps.

ReactJS experts have introduced the virtual DOM idea that allows creating light DOM tree saving it on the server. Every time a user interacts with the website, for example, filling the form, react creates a new virtual DOM for comparing it with a previous one. After the library has found all the differences, between these two models – the virtual DOM model will be revealed. This way reacts performance increases when it comes to big amounts of data since there are no watchers.

If you can’t choose how to continue further with web development or mobile app development for your business, you can outsource our skillful JavaScript experts who not only develop your application but also assist you right from your project requirement identification, planning, development, and deployment.