{"ScriptPreparationCode":"window.obj = {};\r\n\r\nfor (var i = 0, len = 100; i \u003C len; i\u002B\u002B) {\r\n obj[\u0027key\u0027 \u002B i] = \u0027value\u0027 \u002B i;\r\n}","TestCases":[{"Name":"for-in checking","Code":" for (const _ in window.obj) {\r\n return false;\r\n }\r\n return true;","IsDeferred":false},{"Name":"Object.keys.length","Code":"Object.keys(window.obj).length === 0;","IsDeferred":false},{"Name":"_.isEmpty","Code":"_.isEmpty(window.obj);","IsDeferred":false}]}