{"ScriptPreparationCode":"var one = { a: 123, b: null }\r\nvar two = { a: 123, b: undefined }\r\nvar three = {a: 123}","TestCases":[{"Name":"explicit null check","Code":"one.b == null","IsDeferred":false},{"Name":"explicit null non-check","Code":"one.b != null","IsDeferred":false},{"Name":"explicit undefined check","Code":"two.b == null","IsDeferred":false},{"Name":"explicit undefined non-check","Code":"two.b != null","IsDeferred":false},{"Name":"implicit undefined check","Code":"three.b == null","IsDeferred":false},{"Name":"implicit undefined non-check","Code":"three.b != null","IsDeferred":false}]}