{"ScriptPreparationCode":"var index = 50;\r\nvar item = 10;\r\nvar array = Array.from({length: 100},()=\u003EMath.random());","TestCases":[{"Name":"slice","Code":"[...array.slice(0, index), item, ...array.slice(index \u002B 1)]","IsDeferred":false},{"Name":"map","Code":"array.map((val, i) =\u003E i === index ? item : val);","IsDeferred":false}]}