Run results for: Negative precision floor: Lodash vs Math.floor #2

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36

Browser: Chrome 91

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
_.floor	1201.3 Ops/sec
Math.floor	4298.8 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.7.11/lodash.min.js'></script>

​x
 
​
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.7.11/lodash.min.js'></script>

Script Preparation code:

function getRandomInt(max) {
  return Math.floor(Math.random() * Math.floor(max));
}

var arr = [];
for(var i = 0; i < 1000; i++){
  arr.push({value:getRandomInt(100)});
}

 
function getRandomInt(max) {  return Math.floor(Math.random() * Math.floor(max));}​var arr = [];for(var i = 0; i < 1000; i++){  arr.push({value:getRandomInt(100)});}​​

Tests:

_.floor

for (let i = 0; i < arr.length; i++) _.floor(arr[i], -2);

 
for (let i = 0; i < arr.length; i++) _.floor(arr[i], -2);

Math.floor

for (let i = 0; i < arr.length; i++) Math.floor(arr[i] * 100) / 100;

 
for (let i = 0; i < arr.length; i++) Math.floor(arr[i] * 100) / 100;