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

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; RMX2001) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.116 Mobile Safari/537.36 EdgA/45.09.4.5083

Browser: Chrome Mobile 77

Operating system: Android

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
Round floating number using lodash round function	460.0 Ops/sec
Round floating number using toFixed()	2235.5 Ops/sec
Round floating number using toFixed() and parseFloat	1121.4 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)); }

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