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

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 17_0_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.0.1 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 17

Operating system: iOS 17.0.3

Device Platform: Mobile

Date tested: 6 months ago

Test name	Executions per second
Round floating number using lodash round function	2983.5 Ops/sec
Round floating number using toFixed()	11636.6 Ops/sec
Round floating number using toFixed() and parseFloat	6091.3 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)); }

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

Compare round lodash function vs javascript native toFixed() function

Round floating number using lodash round function

Round floating number using toFixed()

Round floating number using toFixed() and parseFloat