✅SOLVED TypeError: Cannot read properties of undefined (reading 'map') | Reactjs Errors
#codingsolutions #reactjs #error
In this example, the ParentComponent passes undefined as the data prop to the ChildComponent, and within the ChildComponent, the map function is called on data, assuming it's an array. Since data is undefined, the error occurs.
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TypeError: Cannot read properties of undefined (reading 'map')
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