{"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};\r\n\r\nvar map = new Map();\r\nfor (const k in obj) {\r\n map.set(k, obj[k]);\r\n}","TestCases":[{"Name":"for-in","Code":"for (let i=10000; i \u003E 0; i--) {\r\n for (const key in obj) {\r\n console.log(key); \r\n }\r\n}","IsDeferred":false},{"Name":"Map.keys","Code":"for (let i=10000; i \u003E 0; i--) {\r\n for (const key of map.keys()) {\r\n console.log(key);\r\n }\r\n}","IsDeferred":false}]}