{"ScriptPreparationCode":"var arr = [1, 2, 3, 4];\r\nvar int = 0;","TestCases":[{"Name":"unshift","Code":"arr.unshift(int);","IsDeferred":false},{"Name":"concat","Code":"var newArr = [int].concat(arr);","IsDeferred":false},{"Name":"spread","Code":"var newArr = [int, ...arr];","IsDeferred":false},{"Name":"splice","Code":"var newArr = arr.splice(0, 0, int);","IsDeferred":false}]}