substr or charAt? (v5)

Revision 5 of this benchmark created on

Description

http://stackoverflow.com/questions/6579774/whats-the-difference-between-substr0-1-or-charat0

Preparation HTML

<script>
  a = "abcdefghijklmnopqrstuvwxyz";
</script>

Test runner

Ready to run.

Testing in
TestOps/sec
substr(0,1)
a.substr(0,1);
ready
charAt(0)
a.charAt(0);
ready
substr(10,1)
a.substr(10,1);
ready
charAt(10)
a.charAt(10);
ready
array access [0]
a[0];
ready
array access [10]
a[10];
 
ready
substring(0, 1)
a.substring(0,1);
ready
substring(10, 1)
a.substring(10,1);
ready

Revisions

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