{"ScriptPreparationCode":"window.largeArr = [];\r\nfor(i=0; i\u003C1000000; i\u002B\u002B){\r\n window.largeArr.push([i.toString(), i])\r\n if (Math.random() \u003C 0.1) window.largeArr.push([undefined, i])\r\n}","TestCases":[{"Name":"MapFilter","Code":"window.largeArr.map(el =\u003E el[0]).filter(Boolean)","IsDeferred":false},{"Name":"Reduce","Code":"window.largeArr.reduce((all, el) =\u003E {\r\n\tif (el[0]) {\r\n \tall.push(el[0]);\r\n }\r\n \treturn all;\r\n}, [])","IsDeferred":false}]}