{"ScriptPreparationCode":"var arr = [...Array(10000)].map((_,i) =\u003E i)","TestCases":[{"Name":"unshift","Code":"arr.forEach((v,i) =\u003E {\r\nconsole.log(v,i);\r\narr.unshift(arr.splice(i,1).shift())\r\n})","IsDeferred":false},{"Name":"swapping","Code":"arr.sort((a,b) =\u003E (a === b) ? 0 : (a \u003C b) ? 1 : -1)","IsDeferred":false}]}