What is the Difference Between JavaScript and React?

A Smith
4 min readNov 12, 2021


difference between JavaScript and ReactJS

React comes up as a library that defines the way to write and code web apps. It sets the rules, which reveal how data would flow through the app. Hence, you would get a clear idea of how the UI would include the changes. Therefore, users can use the applications with all the features working perfectly. Other libraries are featuring similar options and you need to make sure that you can use the features free from any worries.

On the other hand, plain JavaScript is written without libraries. There are no specific rules and you can now write the apps more smartly. The apps feature advanced options and it’s time to explore technology in a new way. The apps written without libraries can be easily customized and thus you can now get familiar with all effective features. It thus helps you to explore a better form of technology and it’s time to create a customized app using JavaScript.

Using Plain JavaScript you can include a single library, jQuery. It helps users to use the app under any browser and thus they can get access to the app easily. Like React it does not set any rules and the developer finds it easy to develop an application using JavaScript.

Prime Differences Between React and JavaScript

Here are mentioned the major differences between React and JavaScript:

  • In JavaScript, the UI is created using HTML and you can explore the dynamic features. JavaScript uses JX and the code is different.
  • In plain JavaScript, the data is stored in the Document Object Model and the browser itself deals with the DOM. The HTML nodes are represented and the data are stored in these nodes. Now, you can manually extract data from the DOM and it helps you to deal with the data at your ease. ReactJS makes use of a technique to set the data and thus you can now use the data in the right way. You need to enter the right input value and you would find it easy to handle the data.
  • Another notable difference between JavaScript and React is the way the UI is updated. ReactJS and JavaScript update the UI in different ways and you need to get familiar with the techniques. The two technologies respond to UI in different ways and thus you can explore the differences.
  • React needs to break the UI features to handle the application development process. Whereas JavaScript can be used in any way and a developer can create customized apps. You need to learn how to use the technologies in the right way to come up with beneficial solutions.
  • Using plain JavaScript, you would get the option to update the DOM data manually. Reach automatically updates DOM data and you need to make sure that you have entered all correct data.
  • Taken as a whole, you get a clear idea of the differences and it’s time to make use of the technologies as you want. Make sure that you have ample experience in dealing with the technologies and thus you can now create apps featuring all advanced options.

Speak to an Expert

Want to get a customized app? First, you need to consult with an expert who knows how to use the technologies, and thus you can now get rid of all the worries. An expert developer helps you to get a tailor-made application and you can thus comprehend the benefits in real-time. Initially, you need to get a clear idea of the differences between React and JavaScript and thus you can now explore the best form of technology. It’s time to hire React developers and you can thus comprehend how they help you to develop an application with all the features functioning perfectly.

Tips to Find an Expert

Here are a few tips to find an expert ReactJS developer:

  • Make sure that the developer has ample experience in developing apps using React and JavaScript.
  • Next, you need to get an idea of the cost of development ensuring that you can easily afford it. It’s important to know that the developer is aware of the differences between React js and JavaScript.
  • The developer must know how to deal with the React library and it gives you the confidence to handle the technologies freely.

So, you can hire an expert developer and you can get the best experience. It’s time to hire expert React developers and you can learn how technologies come up with better options. You can hire professionals from a company or you can hire an individual who would develop your app featuring the customized attributes. In this way, you would learn how ReactJS and JavaScript turn out with effective facets.



A Smith

Albert Smith is a Digital Marketing Manager with Hidden Brains, a leading enterprise web & mobile app development company specializing in IoT, Cloud & Big Data