{"ScriptPreparationCode":"var obj = {\u0027a\u0027: 1}","TestCases":[{"Name":"for-in","Code":"for (var i=10000; i \u003E 0; i--) {\r\n let first\r\n for (let key in obj) {\r\n first = key\r\n break\r\n }\r\n}","IsDeferred":false},{"Name":"Object.keys","Code":"for (var i=10000; i \u003E 0; i--) {\r\n const first = Object.keys(obj)[0]\r\n}","IsDeferred":false}]}