javascript
TypeError: Derived constructor must return object
Derived.*must return object or undefined
Fixes
- 1.Remove or fix return statement in constructor
- 2.Return object or don't return anything
- 3.Call super() before returning
TypeErrorruntimeclass
Related Errors
javascript3 fixes
Cannot read property of undefined
Cannot read propert(y|ies) of undefined
- •Add optional chaining (?.)
- •Check if object exists before accessing
javascript3 fixes
Cannot read property of null
Cannot read propert(y|ies) of null
- •Add null check before access
- •Use optional chaining (?.)
javascript3 fixes
TypeError: X is not a function
is not a function
- •Check spelling of method name
- •Verify import is correct