Test case details

Preparation Code

<script>   var g = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27]; </script>

Test cases

Test #1

var h = g.map(function(x) {  return x + 2 });

Test #2

var h = []; g.forEach(function(x) {  h.push(x + 2); })

Test #3

var h = []; for (var i = 0, len = g.length; i < len; i++) {  h.push(g[i] + 2); }

Test #4

for(var i=0,h=[],len=g.length;i<len;i++){h[i]=(g[i]+2);}