{"ScriptPreparationCode":"var obj = {a: {b: {c: {d: 1}}}}\r\nvar badObj = {}","TestCases":[{"Name":"Optional Chaining","Code":"obj.a?.b?.c?.d","IsDeferred":false},{"Name":"old","Code":"if (obj.a \u0026\u0026 obj.a.b \u0026\u0026 obj.a.b.c \u0026\u0026 obj.a.b.c.d) {\r\n obj.a.b.c.d\r\n}","IsDeferred":false}]}