javascript

TypeError: Cannot create property on primitive

Cannot create property .* on (string|number|boolean)

Fixes

1.Convert to object wrapper or use different structure
2.Check variable type before assignment
3.Initialize as object not primitive

TypeErrorruntimeprimitive

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