Run results for: lodash.each vs Object.forEach

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.109 Safari/537.36

Browser: Chrome 72

Operating system: Mac OS X 10.14.3

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
lodash.each	64852.2 Ops/sec
native	61116.6 Ops/sec
for loop	3654.2 Ops/sec

HTML Preparation code:

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.4/lodash.min.js"></script>

Script Preparation code:


// Populate the base array
var arr = [];
for (var i = 0; i < 1000; i++) {
  arr[i] = i;
}

function fn(a) {
  return a * 2 * 5;
}

Tests:

lodash.each
_.forEach(arr,fn)
native
arr.forEach(fn)
for loop
for(i=0;i<arr.length;i++) fn(arr[i]);

Run results for: lodash.each vs Object.forEach

lodash.each

native

for loop