Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:128.0) Gecko/20100101 Firefox/128.0
Firefox 128
Windows
Desktop
6 months ago
Test name Executions per second
Round floating number using lodash round function 2079.6 Ops/sec
Round floating number using toFixed() 17087.5 Ops/sec
Round floating number using toFixed() and parseFloat 11486.8 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 = 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++) {
      x.toFixed(2);
    }
  • Round floating number using toFixed() and parseFloat

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