{"ScriptPreparationCode":"var obj = (new Array(1000)).fill(null).reduce((prev, newVal) =\u003E {prev[Math.random() \u002B \u0027\u0027] = Math.random() \u002B \u0027\u0027; return prev; }, { sausage: \u0027tst\u0027 });","TestCases":[{"Name":"Object.keys(object).includes(key)","Code":"Object.keys(obj).includes(\u0027sausage\u0027)","IsDeferred":false},{"Name":"key in object","Code":"\u0027sausage\u0027 in obj","IsDeferred":false}]}