Represents explicit undefined values used when business logic requires
undefined rather than null or omitted properties. Less commonly used than
null in typical business scenarios, but necessary for certain API
operations or business logic conditions.
E2E testing usage:
Explicit undefined state representation in business logic
Clearing previously set values in test scenarios
API parameters that distinguish between null and undefined
Conditional expressions where undefined has specific meaning
AI guidance: Prefer null over undefined unless specific business or API
requirements dictate undefined usage, or when working with captured data
that may contain undefined values.
Undefined keyword for explicit undefined values.
Represents explicit undefined values used when business logic requires undefined rather than null or omitted properties. Less commonly used than null in typical business scenarios, but necessary for certain API operations or business logic conditions.
E2E testing usage:
AI guidance: Prefer null over undefined unless specific business or API requirements dictate undefined usage, or when working with captured data that may contain undefined values.