{"ScriptPreparationCode":null,"TestCases":[{"Name":"spread","Code":"const array1 = Array.from({length: 5000}, (v, i) =\u003E i)\r\nconst newArray = [...array1, \u0027newvalue\u0027]","IsDeferred":false},{"Name":"concat","Code":"const array1 = Array.from({length: 5000}, (v, i) =\u003E i)\r\nconst newArray = array1.concat([\u0027newvalue\u0027])","IsDeferred":false}]}