decimal rounding toFixed vs Math.round (v32)

Revision 32 of this benchmark created by Stephen Irving on

Setup

var number = 25.5981956;

Test runner

Ready to run.

Testing in
TestOps/sec
toFixed string
number.toFixed(1)
ready
Custom Function
function fixToOnePlace(num) {
  const fixed = Math.round(num * 10) / 10;
  return fixed + (fixed % 1 === 0 ? '.0' : '');
}
fixToOnePlace(number);
ready
Math.round
Math.round(number * 10) / 10
ready
Math.round string
'' + Math.round(number * 10) / 10
ready
toFixed
Number((number).toFixed(1));
ready

Revisions

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