{"ScriptPreparationCode":"var array1 = [...Array(50000).keys()] // [0, 1, 2, ..., 49999]\r\nvar array2 = [...Array(50000).keys()] // [0, 1, 2, ..., 49999]","TestCases":[{"Name":"Array.prototype.concat","Code":"array1 = array1.concat(array2)","IsDeferred":false},{"Name":"Spread operator","Code":"array1 = [...array1, array2]","IsDeferred":false},{"Name":"Array.prototype.push","Code":"array1.push(...array2)","IsDeferred":false}]}