Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36 Edg/116.0.1938.76
Chrome 116
Mac OS X 10.15.7
Desktop
one year ago
Test name Executions per second
Round floating number using lodash round function 2777.3 Ops/sec
Round float number with Math.round 10121.5 Ops/sec
Round floating number using toFixed() 5012.8 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 float number with Math.round

     
    for (var i = 0; i < 1000; i++) {
       Math.round(x * 100) / 100
    }
  • Round floating number using toFixed()

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