{"ScriptPreparationCode":null,"TestCases":[{"Name":"concat","Code":"let arr = [];\r\nconst arr1 = [1, 2];\r\narr = arr.concat(arr1);","IsDeferred":false},{"Name":"spread","Code":"let arr = [];\r\nconst arr1 = [1, 2];\r\narr = [...arr, ...arr1];","IsDeferred":false}]}