Parsing vs Coercion

Benchmark created by Adam Sanderson on

Setup

inputs = [
    '1', '2', '3', '4',
    '011', '09', '02', '08',
    ' 1', '  2 ', '', '  4',
    'x'
    ];

Test runner

Ready to run.

Testing in
TestOps/sec
parseInt
for(var i=0; i < inputs.length; i++){ parseInt(inputs[i],10); }
ready
parseFloat
for(var i=0; i < inputs.length; i++){ parseFloat(inputs[i]); }
ready
Coerce
for(var i=0; i < inputs.length; i++){ +inputs[i]; }
ready
Bit Twiddle (|0)
for(var i=0; i < inputs.length; i++){ inputs[i] | 0; }
ready

Revisions

You can edit these tests or add more tests to this page by appending /edit to the URL.

  • Revision 1: published by Adam Sanderson on
  • Revision 2: published by Adam Sanderson on