Longest string in array (v4)

Revision 4 of this benchmark created by Timo on

Preparation HTML

<script>
  var arr = ['adf', 'asdfdf', 'asdfdf', 'aasdfdf', 'addddddf', 'asdfdf', 'assdf', 'adfd']
</script>

Test runner

Ready to run.

Testing in
TestOps/sec
Straight
function Ls(a) {
 var l = 0;
 for (var i = 0; i < a.length; i++) {
  if (a[l].length < a[i].length) l = i;
 }
 return l;
}
var a2=Ls(arr);
ready
Optimized
function Lo(a) {
 var li = 0,
     ll = a[0].length !== 0 ? a[0].length - 1 : 0;
 for (var i = 0; i < a.length; i++) {
  if (a[i][ll]) {
   ll = a[i].length - 1;
   li = i;
  }
 }
 return li;
}
var a2=Lo(arr);
ready
Straight2
function Ls2(a)
{
 var l = a.length-1;
 var i=l;
 if(i) while(i--) if(a[l].length < a[i].length) l=i;
 return l;
}
var a2=Ls2(arr);
ready

Revisions

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