{"ScriptPreparationCode":null,"TestCases":[{"Name":"concat","Code":"const arr1 = new Array(500).fill(null).map(() =\u003E Math.random());\r\nconst arr2 = new Array(300).fill(null).map(() =\u003E Math.random());\r\nconst arr3 = arr1.concat(arr2);","IsDeferred":false},{"Name":"spread","Code":"const arr1 = new Array(500).fill(null).map(() =\u003E Math.random());\r\nconst arr2 = new Array(300).fill(null).map(() =\u003E Math.random());\r\nconst arr3 = [...arr1, ...arr2]","IsDeferred":false}]}