{"ScriptPreparationCode":"const getRandomNumber = (max = 1, min = 0) =\u003E\r\n Math.round(Math.random() * (max - min) \u002B min);\r\n\r\nwindow.arrays = new Array(100).fill().map(() =\u003E {\r\n const l = getRandomNumber(20, 10);\r\n const val = getRandomNumber(100);\r\n return new Array(l).fill(val);\r\n });\r\n","TestCases":[{"Name":"Chained concat","Code":"let result = [];\r\narrays.forEach(a =\u003E result = result.concat(a));","IsDeferred":false},{"Name":"Single concat","Code":"const result = [].concat.apply([], arrays);","IsDeferred":false}]}