{"ScriptPreparationCode":"var array = Array.from({ length: 2000 }).map((val, i) =\u003E i);","TestCases":[{"Name":"Splice","Code":"var newArray = array.splice(0, 0, 99);","IsDeferred":false},{"Name":"Spread","Code":"var newArray = [99, ...array];","IsDeferred":false},{"Name":"Unshift","Code":"var newArray = array.unshift(99);","IsDeferred":false},{"Name":"Push","Code":"var newArray = array.push(99);","IsDeferred":false}]}