{"ScriptPreparationCode":"var obj = {\r\n \u0027a\u0027: 1,\r\n \u0027b\u0027: 1,\r\n \u0027c\u0027: 1,\r\n \u0027d\u0027: 1,\r\n \u0027e\u0027: 1,\r\n \u0027f\u0027: 1,\r\n \u0027g\u0027: 1\r\n};","TestCases":[{"Name":"for-in","Code":"for (let i=10000; i \u003E 0; i--) {\r\n for (let key in obj) {\r\n console.log(key); \r\n }\r\n}","IsDeferred":false},{"Name":"for-in hasOwnProperty","Code":"for (let i=10000; i \u003E 0; i--) {\r\n for (let key in obj) {\r\n if (Object.prototype.hasOwnProperty.call(obj, key)) {\r\n console.log(key); \r\n }\r\n }\r\n}","IsDeferred":false},{"Name":"Object.keys forEach","Code":"for (var i=10000; i \u003E 0; i--) {\r\n Object.keys(obj).forEach(key =\u003E console.log(key));\r\n}","IsDeferred":false}]}