{"ScriptPreparationCode":"let obj = {\r\n a: 1,\r\n b: [],\r\n c: \u0027abc\u0027,\r\n d: Symbol(\u0027test\u0027)\r\n },\r\n keys1 = Object.keys(obj),\r\n keys2 = keys1.keys()","TestCases":[{"Name":"...of Object.keys","Code":"for (let prop of keys1) console.log(prop)","IsDeferred":false},{"Name":"...of Object.keys.keys","Code":"for (let prop of keys2) console.log(prop)","IsDeferred":false}]}