{"ScriptPreparationCode":"var a = {}\r\nlet ak = 1000\r\nwhile (ak--) a[ak] = ak \u002B .1\r\n\r\nvar b = {}\r\nlet bk = 500\r\nwhile (bk--) b[bk] = Math.random()","TestCases":[{"Name":"Object.assign","Code":"Object.assign(a, b)","IsDeferred":false},{"Name":"Object.keys \u0026 for..of","Code":"for (const key of Object.keys(b)) {\r\n a[key] = b[key]\r\n}","IsDeferred":false}]}