Spot the accurate statement about deleting an ordinary configurable own property from an object.
delete removes any local variable that has the same name
delete removes the property and produces a boolean result✓Правильный ответ
delete replaces the property's value with null
delete returns the value that the property previously held
Объяснение
The delete operator can remove a configurable own property and evaluates to a boolean that reports the operation's success. It is not a general mechanism for erasing lexical bindings, so the claim about deleting a local variable confuses two different constructs.