javascript

Iterator/Generator protocol TypeError

Argument of type .* is not assignable

Fixes

1.Implement Symbol.iterator correctly
2.Return proper {value, done} shape
3.Check generator function syntax

TypeErrorruntimeiterator

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