reactjs error Archives - Learn ReactJS & React Native With Me

[Code Example] ReactDOM.render no longer supported. Use createRoot

akamit
August 8, 2022

In this article I will provide you code to resolve Warning: ReactDOM.render is no longer supported in React 18. Use createRoot instead. From React 18 ReactDOM.render() function is deprecated and…

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React.Children.only expected to receive a single React element child

akamit
July 10, 2021

One day I was working on my React-Native project and got this weird error, “React.Children.only expected to receive a single React element child“. Everything seemed perfectly alright with the code…

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‘React’ must be in scope when using JSX react/react-in-jsx-scope

akamit
July 9, 2021

React js throws the error, ‘React’ must be in scope when using JSX react/react-in-jsx-scope, when either we forget to include React in our script or make a spelling mistake. This…

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How to create for loop inside React JSX?

akamit
March 23, 2021

Yes you an create a for loop inside react JSX with the help of function callback approach. In fact, you can run any code within JSX using this approach. But…

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React-router urls don’t work on browser refresh or entered manually

akamit
March 22, 2021

If your react router urls don’t work on browser refresh or when entered manually, then it means you have not configured paths on your server. Simply point all the urls…

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How to navigate in React Router programmatically?

akamit
March 22, 2021

This is a common use case when we want to navigate in React router programmatically without using Link or NavLink components. There are many ways of doing that but since…

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.map is not a function

akamit
March 16, 2021

map() can only be used with Arrays. So, if you are getting error .map is not a function, you are probably using it on either the objects or other variables…

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A router may have only one child element – React Router Dom Error

akamit
February 26, 2021

React router dom throws the error that a router may have only one child element if more than 1 routes are defined without enclosing them in div or switch. Generally,…

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com.android.ide.common.process.processexception: failed to execute aapt

akamit
February 26, 2021

Android throws the error com.android.ide.common.process.processexception: failed to execute aapt when it is not able to recognize AAPT. This is react native and ionic error. To solve this issue either recreate…

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Component definition is missing display name – React Native Error

akamit
February 26, 2021

React native throws error component definition is missing display name, when an anonymous function is exported. This is a ESLint warning because although you can work with anonymous functions, it…

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cannot add a child that doesn’t have a yoganode – React Native Error

akamit
February 26, 2021

As the error (cannot add a child that doesn’t have a yoganode) indicates, there is some node which is not a valid element. This is the problem but could arise…

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error: enoent: no such file or directory, uv_cwd – React Native Error

akamit
February 26, 2021

React native throws error: enoent: no such file or directory, uv_cwd, when you update file names or project name or delete some folder. This is a common error which requires…

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uncaught (in promise) syntaxerror: unexpected token

akamit
February 25, 2021

React throws error uncaught (in promise) syntaxerror: unexpected token < in json at position 0, when it is not able to find the JSON file. But why this happens? Because…

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React hook useeffect has a missing dependency

akamit
February 24, 2021

Eslint throws react hook useeffect has a missing dependency when we include partial dependency parameters. It says you should either include all or none. This is just a warning and…

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React Error – jsx expressions must have one parent element

akamit
February 24, 2021

React throws the error, jsx expressions must have one parent element, when you try to return JSX without having any enclosing container element. This is a very common error and…

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You should not use route or withrouter() or Link outside a router

akamit
February 24, 2021

React router throws the error, “you should not use route or withrouter() outside a router” when you have not defined BrowserRouter and still using Link or NavLink or Router components.…

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could not find a declaration file for module – React TypeScript Error

akamit
February 24, 2021

React Typescript throws the error, could not find a declaration file for module, due to number of reasons. Check out the possible solutions to solve the issue – Suppose your…

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‘react-scripts’ is not recognized as an internal or external command

akamit
February 24, 2021

React throws error ‘react-scripts’ is not recognized as an internal or external command, when either react-scripts is not installed or there is folder permission errors. Follow these steps to solve…

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React Error – module not found: can’t resolve

akamit
February 22, 2021

React throws the error, module not found: can’t resolve, when either the module is not defined or its path is incorrect. Case 1: When module is not defined If the…

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React Error: target container is not a dom element

akamit
February 22, 2021

React throws the error, target container is not a dom element, when we include the build script before the root element. The solution is to always include the build scripts…

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reactjs error

[Code Example] ReactDOM.render no longer supported. Use createRoot

React.Children.only expected to receive a single React element child

‘React’ must be in scope when using JSX react/react-in-jsx-scope

How to create for loop inside React JSX?

React-router urls don’t work on browser refresh or entered manually

How to navigate in React Router programmatically?

.map is not a function

A router may have only one child element – React Router Dom Error

com.android.ide.common.process.processexception: failed to execute aapt

Component definition is missing display name – React Native Error

cannot add a child that doesn’t have a yoganode – React Native Error

error: enoent: no such file or directory, uv_cwd – React Native Error

uncaught (in promise) syntaxerror: unexpected token

React hook useeffect has a missing dependency

React Error – jsx expressions must have one parent element

You should not use route or withrouter() or Link outside a router

could not find a declaration file for module – React TypeScript Error

‘react-scripts’ is not recognized as an internal or external command

React Error – module not found: can’t resolve

React Error: target container is not a dom element

cannot import name ‘to_categorical’ from ‘keras.utils’

pip is being invoked by an old script wrapper

Poetry could not find a pyproject.toml file

python run bash script in background