{"ScriptPreparationCode":"// Create sample data\r\nvar array = new Array(1000).fill(1);\r\n\r\nvar manipulateFn = (num, idx) =\u003E {\r\n\treturn [num, idx];\r\n}","TestCases":[{"Name":".map","Code":"var newArray = array.map(manipulateFn);","IsDeferred":false},{"Name":"for loop","Code":"var newArray = [];\r\nfor (let i=0; i\u003Carray.length; i\u002B\u002B) {\r\n\tnewArray.push(manipulateFn(array[i], i));\r\n}","IsDeferred":false}]}