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Run results for: lodash.round VS Math.round with precision

Compare round lodash function vs javascript native toFixed() function. use random input to avoid js engine optimisation

Go to the benchmark
Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36
Chrome 132
Mac OS X 10.15.7
Desktop
one month ago
Test name Executions per second
Round floating number using lodash round function 4348.5 Ops/sec
Round floating number using toFixed() 12876.0 Ops/sec
HTML Preparation code:
AخA
 
1
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
Script Preparation code:
 
var x = Math.random() * 100;
Tests:

  • Round floating number using lodash round function

     
    for (var i = 0; i < 1000; i++) {
      _.round(x, 2);
    }

  • Round floating number using toFixed()

     
    for (var i = 0; i < 1000; i++) {
      Number(x.toFixed(2));
    }