{"ScriptPreparationCode":"var array = Array.from(new Array(60).keys())\r\nlet test = []","TestCases":[{"Name":"arrayUnshift123","Code":"test = [19];\r\nfor (var item1 in array) {\r\n test.unshift(item1);\r\n}","IsDeferred":false},{"Name":"arrayConcat123","Code":"test = [19];\r\ntest = test.concat(array)","IsDeferred":false},{"Name":"arraySpread123","Code":"test = [19];\r\ntest = [...array, ...test];","IsDeferred":false}]}