javascript

TypeError: Union member is not callable

Each member of the union.*is not callable

Fixes

1.Narrow type before calling
2.Add type guard
3.Check if function exists

TypeErrorruntimeunion

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