{"ScriptPreparationCode":"var arr = Array(10_000).fill(undefined).map((_, idx) =\u003E idx)","TestCases":[{"Name":"Array.prototype.slice()","Code":"const newArr = arr.slice(0);","IsDeferred":false},{"Name":"Array.prototype.concat()","Code":"const newArr = arr.concat([]);","IsDeferred":false},{"Name":"Spread syntax","Code":"const newArr = [...arr];","IsDeferred":false},{"Name":"Array.from()","Code":"const newArr = Array.from(arr);","IsDeferred":false}]}