{"ScriptPreparationCode":null,"TestCases":[{"Name":"Array.prototype.concat","Code":"var arr1 = Array(100).fill({});\r\nconst arr2 = Array(100).fill({});\r\narr1 = arr1.concat(arr2);","IsDeferred":false},{"Name":"spread operator","Code":"var arr1 = Array(100).fill({});\r\nconst arr2 = Array(100).fill({});\r\narr1 = [ ...arr1, ...arr2 ]","IsDeferred":false},{"Name":"Push","Code":"const arr1 = Array(100).fill({});\r\nconst arr2 = Array(100).fill({});\r\narr1.push(...arr2);","IsDeferred":false}]}