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React warning: Functions are not valid as a React child

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answered on June 16, 2021 Popularity 10/10 Helpfulness 1/10

answer React warning: Functions are not valid as a React child

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related Functions are not valid as a React child

React warning: Functions are not valid as a React child

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-2

render() {
  return (
    <div>
      {this.createSquare()}
    </div>
  );
}

Popularity 10/10 Helpfulness 1/10 Language javascript

Source: stackoverflow.com

Tags: javascript

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Contributed on Jun 16 2021

0 Answers Avg Quality 2/10

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functions are not valid as a react child

Comments(1)

/*
When ever you encounter this error, know that you've used a React 
component the wrong way(YourComp instead of <YourComp/> or YourComp()).
Passing in a function as a child without calling the said function,
regardless of the function being a React component or not will 
throw the same error. 

Example
The code below will throw a "functions are not valid as a react child" error
because the imported "Home" component passed as props to Route was passed 
as a normal Javascript function and not as a React component 
i.e Home instead of <Home/>


*/
//Invalid Code
import Home from "./[src]/Home";
export default function App() {
  return (
    <main className='container'>
      <NavBar />
      <Routes>
        <Route path='/' element={Home} />
      </Routes>
      <Footer />
    </main>
  );
}

//Valid Code
import Home from "./[src]/Home";
export default function App() {
  return (
    <main className='container'>
      <NavBar />
      <Routes>
        <Route path='/' element={<Home/>} />
      </Routes>
      <Footer />
    </main>
  );
}

//Valid Code
import Home from "./[src]/Home";
export default function App() {
  return (
    <main className='container'>
      NavBar()
      <Routes>
        <Route path='/' element={Home()} />
      </Routes>
      Footer()
    </main>
  );
}

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Feb 26 2022

Donald Abua

0 Answers Avg Quality 2/10

functions are not valid as a react child

Comment

//instead of passing in a function as a child
   ❌     //this is not the correct way of doing it 
const MyElement = () =>(   
	<>
  		<h2>This is a sample element</h2>
  	</>
)

...return( <MyElement/>)
                 
  ✅     //do this instead   
const MyElement = (		
    <>
      <h2>This is the correct way</h2>
    </>
)

...return( <MyElement/>)

Popularity 10/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Dec 26 2021

tinydev

0 Answers Avg Quality 2/10

Functions are not valid as a React child

Comment

check the function and value that youre returning is right. It may be where you have to 
put variable but you put a function or on the other way around.

Popularity 8/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Dec 08 2023

Mr not.Ok

0 Answers Avg Quality 2/10

React warning: Functions are not valid as a React child

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