ReactJS is one free and open-source front-end JavaScript library for building user interfaces based on UI components. It is maintained by Meta and a community of individual developers and companies. When you try to complete your task, you get this error: “react devtools console.log() from react_devtools_backend.js:4049 in reactjs“. This error is one of the most popular errors any programmer will make. So, why does it appear, and how can it be resolved? We’ll go over it with you.

Why Does The Error ”react devtools console.log() from react_devtools_backend.js:4049 in reactjs” Occur?

Today, you are just trying to get a log in my chrome browser’s console, but the console log only shows react devtools backend.js:4049. You can understand, as seen in this image.

The Effective Methods For ”react devtools console.log() from react_devtools_backend.js:4049 in Reactjs”

Solution 1:  Disable the React Devtools extension.

The open-source React JavaScript library has a Chrome DevTools extension called React Developer Tools. You can use the Chrome Developer Tools to examine the React component hierarchy. However, sometimes you will get a trouble with it. And this log appears to be from the React Devtools extension. The error will be resolved if you disable the React Devtools extension. As a workaround, let’s disable the React Devtools browser extension to solve the error ”react devtools console.log() from react_devtools_backend.js:4049 in Reactjs”.

You can follow the way to disable the DevTools below:

To stop the “Developer Tools” feature from functioning, launch Google Chrome with the “—disable-dev-tools” command line option.

1. Launch the Chrome web browser.
2. To end all running instances of Google Chrome, click the “X” in the upper right corner of each window.
3. In the task bar, click the Windows orb.

Solution 2:  Follow these steps

You also can resolve the issue ”react devtools console.log() from react_devtools_backend.js:4049 in Reactjs” in your console by adding the file to Chrome’s Framework Ignore List. Below are steps to do it:

Console -> Gear icon (top right) -> Settings -> Framework Ignone List.

Finally, you need to add react devtools backend.js to the list, and the console.log should resume displaying the correct mapping. After doing that, your error will completely disappear.

Solution 3:  Use this code

Another  solution to fix your error is using the following code.

“console.info(data)”

Instead of using this code.

“console.log(data)”

This method is very simple, but its efficiency is very enormous. It will give you amazing results. Let’s do it to get your desired result.

We believe that the above method will be beneficial to all of you.

Conclusion

ReactJS is an open-source developed by Facebook and launched in 2013. It is one Javascript library used to build interactions with elements on the website. One of the most outstanding features of ReactJS is that rendering data can be done on the Server layer and below the Client. The solutions mentioned above are the best options for those still confused with this error: “react devtools console.log() from react_devtools_backend.js:4049 in reactjs”.

If you need our support or have other questions, we have a thriving community where everyone is always willing to help. Finally, we wish you a productive day filled with new solutions and code.

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