Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.45 Safari/537.36
Chrome 96
Windows
Desktop
3 years ago
Test name Executions per second
lodash.forEach() 3485232.2 Ops/sec
native for() 1999319.8 Ops/sec
native while() 2001905.1 Ops/sec
native forEach() 11008980.0 Ops/sec
HTML Preparation code:
AخA
 
1
<script src="https://cdn.jsdelivr.net/lodash/4.16.0/lodash.min.js"></script>
Script Preparation code:
 
var values = [{a: 30310}, {b: 100303}, {c: 3040494}]
Tests:
  • lodash.forEach()

     
    var count = 0;
    _.forEach(values, function(v,i) {
      if (v.a != null) {
        count++; 
      }
    })
  • native for()

     
    var count = 0;
    for (var i = 0; i < values.length; i++) {
      if (values[i].a != null) {
        count++; 
      }
    }
  • native while()

     
    var count = 0;
    var i = -1;
    while (++i < values.length) {
      if (values[i].a != null) {
        count++; 
      }
    }
  • native forEach()

     
    var count = 0;
    values.forEach(function(v,i) {
      if (v.a != null) {
        count++; 
      }
    })