array index vs string charAt (v10)

Revision 10 of this benchmark created on

Preparation HTML

<script>
var str = "g9p87ngyp876ncw65-8ut9-84ttttp1n[8xt[ntg[5nf87y42xn49p54545454mny0t968uy908u9ymi409yikj,obvmy985uv98n7y87fy5786fty6t687t71t76r276bt87y4npt9vhm98phvt9",
    arr = str.split("");
</script>script

Test runner

Ready to run.

Testing in
TestOps/sec
array index
for (
  var i = 0, j = arr.length, k; i < j; i++
)
  if (arr[i] === "1") k = i;
ready
string charAt
for (
  var i = 0, j = str.length, k; i < j; i++
)
  if (str.charAt(i) === "1") k = i;
ready
arr index with split
for (
  var i = 0, j = str.length, k, split = str.split(""); i < j; i++
)
  if (split[i] === "1") k = i;
ready

Revisions

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