{"ScriptPreparationCode":"random = () =\u003E Array(50).fill(Math.floor(Math.random() * 9))","TestCases":[{"Name":"Array.prototype.concat","Code":"const arr1 = random();\r\nconst arr2 = random();\r\nconst other = arr1.concat(arr2);","IsDeferred":false},{"Name":"spread operator","Code":"const arr1 = random();\r\nconst arr2 = random();\r\nconst other = [ ...arr1, ...arr2]","IsDeferred":false}]}