{"ScriptPreparationCode":null,"TestCases":[{"Name":"concat","Code":"let arr = [1,2,3];\r\nconst newArr = arr.concat(4);\r\nconsole.log(newArr);","IsDeferred":false},{"Name":"spread","Code":"let arr = [1,2,3];\r\nconst newArr = [...arr, 4];\r\nconsole.log(newArr);","IsDeferred":false}]}