{"ScriptPreparationCode":"var obj = {};\r\n\r\nfor(let i = 0; i \u003C 10; i\u002B\u002B) {\r\n obj[\u0022key\u0022 \u002B i] = i;\r\n}\r\n\r\nfunction fn(num) {\r\n return num * 2;\r\n}","TestCases":[{"Name":"Object.keys(obj).forEach()","Code":"Object.keys(obj).forEach(key =\u003E fn(obj[key]));","IsDeferred":false},{"Name":"for...in...","Code":"for(const key in obj) {\r\n fn(obj[key]);\r\n}","IsDeferred":false}]}