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reactjs .map is not a function

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Graceful Grasshopper answered on June 24, 2021 Popularity 1/10 Helpfulness 1/10

answer reactjs .map is not a function

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reactjs .map is not a function

Comment

Unhandled Rejection (TypeError): res.data.map is not a function

Popularity 1/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: function javascript reactjs

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Contributed on Feb 10 2022

Graceful Grasshopper

0 Answers Avg Quality 2/10

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object.map is not a function

Comment

We just cannot use map() function with Object.
We can use forEach instead, through the usage is bit different.

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: function functio

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Contributed on Mar 12 2023

Uninterested Unicorn

0 Answers Avg Quality 2/10

react native data map is not a function

Comment

The .map function is only available on array.
It looks like data isn't in the format you are expecting it to be
(it is {} but you are expecting []).

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Source: stackoverflow.com

Tags: function functio

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Contributed on Jun 24 2021

Singh99

0 Answers Avg Quality 2/10

TypeError: map is not a function

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The "TypeError: map is not a function" occurs when we call the map() method on a value that is not an array. To solve the error, console.log the value you're calling the map() method on and make sure to only call map on valid arrays.



Here is an example of how the error occurs.

App.js

const App = () => {
  const obj = {};

  // ⛔️ Uncaught TypeError: map is not a function

  return (
    <div>
      {obj.map(element => {
        return <h2>{element}</h2>;
      })}
    </div>
  );
};

export default App;

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: bobbyhadz.com

Tags: function functio

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Contributed on Aug 30 2022

Embarrassed Elephant

0 Answers Avg Quality 2/10

TypeError: map is not a function

Comment

-1

To solve the error, console.log the value you're calling the map method on and make sure it's a valid array.

App.js

export default function App() {
  const arr = ['one', 'two', 'three'];

  return (
    <div>
      {arr.map((element, index) => {
        return (
          <div key={index}>
            <h2>{element}</h2>
          </div>
        );
      })}
    </div>
  );
}

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: bobbyhadz.com

Tags: function functio

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Contributed on Aug 30 2022

Embarrassed Elephant

0 Answers Avg Quality 2/10

reactjs .map is not a function

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reactjs .map is not a function

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object.map is not a function

react native data map is not a function

TypeError: map is not a function

TypeError: map is not a function

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