{"ScriptPreparationCode":"var obj = {};\r\nfor (let i = 0; i \u003C 1000000; i\u002B\u002B) {\r\n const randomStr = Math.random().toString(36) \u002B Math.random().toString(36);\r\n obj[randomStr] = randomStr;\r\n}","TestCases":[{"Name":"undefined","Code":"undefined !== obj.d;","IsDeferred":false},{"Name":"typeof","Code":"\u0027undefined\u0027 !== typeof obj.d;","IsDeferred":false},{"Name":"in","Code":"\u0027d\u0027 in obj;","IsDeferred":false},{"Name":"hasOwnProperty","Code":"obj.hasOwnProperty( \u0027d\u0027 );","IsDeferred":false},{"Name":"bool","Code":"!! obj.d;","IsDeferred":false}]}