Run results for: lodash.round VS toFixed() VS toFixed() and parseFloat

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:78.0) Gecko/20100101 Firefox/78.0

Browser: Firefox 78

Operating system: Mac OS X 10.14

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Round floating number using lodash round function	1454.0 Ops/sec
Round floating number using toFixed()	14288.4 Ops/sec
Round floating number using toFixed() and parseFloat	8013.4 Ops/sec

HTML Preparation code:

<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)); }