{"ScriptPreparationCode":"var numSamples = 10000\r\nvar data = \u0022TEST DATA\u0022\r\nvar makeArray = len=\u003E Array(len).fill(data)","TestCases":[{"Name":"immutable with concat","Code":"const a = makeArray(numSamples)\r\nconst b = makeArray(numSamples)\r\nconst results = a.concat(b)","IsDeferred":false},{"Name":"direct mutation with splice \u002B spread","Code":"const a = makeArray(numSamples)\r\nconst b = makeArray(numSamples)\r\na.splice(a.length, 0, ...b);","IsDeferred":false}]}