{"ScriptPreparationCode":null,"TestCases":[{"Name":"concat","Code":"const arr = [...new Array(1000)].map((val, key) =\u003E key);\r\nconst arr2 = [...new Array(1000)].map((val, key) =\u003E key);\r\narr.concat(arr2);","IsDeferred":false},{"Name":"push","Code":"const arr = [...new Array(1000)].map((val, key) =\u003E key);\r\nconst arr2 = [...new Array(1000)].map((val, key) =\u003E key);\r\narr.push(...arr2);","IsDeferred":false},{"Name":"spread","Code":"let arr = [...new Array(1000)].map((val, key) =\u003E key);\r\nconst arr2 = [...new Array(1000)].map((val, key) =\u003E key);\r\narr = [...arr, ...arr2]","IsDeferred":false}]}