{"ScriptPreparationCode":"nums = new Array(1000).fill(1)","TestCases":[{"Name":"Array.unshift","Code":"let i = 0\r\nwhile (i\u002B\u002B \u003C 100) nums.unshift(i)","IsDeferred":false},{"Name":"Array.concat","Code":"let i = 0\r\nwhile (i\u002B\u002B \u003C 100) nums = [].concat([i], nums)","IsDeferred":false}]}