{"ScriptPreparationCode":"var obj = Object.fromEntries(Array.from({\r\n length: 1000\r\n}, (_, i) =\u003E [i.toString(), i]));","TestCases":[{"Name":"for-in","Code":"for (let i=10; i \u003E 0; i--) {\r\n for (let key in obj)\r\n console.log(key);\r\n}","IsDeferred":false},{"Name":"Object.keys","Code":"for (let i=10; i \u003E 0; i--) {\r\n for(let key of Object.keys(obj))\r\n \tconsole.log(key);\r\n}","IsDeferred":false}]}