Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36 Edg/120.0.0.0
Chrome 120
Windows
Desktop
one year ago
Test name Executions per second
Round floating number using lodash round function 1260.9 Ops/sec
Round floating number using toFixed() 5012.3 Ops/sec
Round floating number using toFixed() and parseFloat 2555.2 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 = 5.236;
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++) {
      Math.round(x*100)/100;
    }
  • Round floating number using toFixed() and parseFloat

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