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laily sarvarian
322 Pointsafter adding the .map I get this error: app.jsx:75 Uncaught TypeError: Cannot read property 'map' of undefined
Everything works till I add the .map function and then I got this error:
app.jsx:75 Uncaught TypeError: Cannot read property 'map' of undefined
How should I fix this?
2 Answers
Seth Kroger
56,416 Points"Cannot read property 'x' of undefined/null" always means there is a problem before that in the code that left the array/object you're using without a value or made a typo in the variable name.
laily sarvarian
322 Pointsactually you were right obviously, thanks a lot:)
laily sarvarian
322 Pointslaily sarvarian
322 Pointsthe strange thing is it works as it suppose to before adding that part