string index vs string charAt (v3)

Revision 3 of this benchmark created on

Setup

var str = "g9p87ngyp876ncw65-8ut9-84ttttp1n[8xt[ntg[5nf87y42xn49p54545454mny0t968uy908u9ymi409yikj,obvmy985uv98n7y87fy5786fty6t687t71t76r276bt87y4npt9vhm98phvt9";
  
  var indexesLen = 10, indexes = new Array(indexesLen), i, j;
  for (i = 0; i < indexesLen; ++i)
    indexes[i] = Math.floor(Math.random(i * str.length));

Test runner

Ready to run.

Testing in
TestOps/sec
string index
for (j = 0; j < indexesLen; ++j)
  str[indexes[j]];
ready
string charAt
for (j = 0; j < indexesLen; ++j)
  str.charAt(indexes[j]);
ready

Revisions

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