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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36

Browser: Chrome 136

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Round floating number using lodash round function	5347.9 Ops/sec
Round floating number using toFixed()	21754.2 Ops/sec
Round floating number using toFixed() and parseFloat	15638.4 Ops/sec
Leaflet formatNum	378597.0 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

 <script src="https://unpkg.com/leaflet@1.6.0/dist/leaflet.js"
   integrity="sha512-gZwIG9x3wUXg2hdXF6+rVkLF/0Vi9U8D2Ntg4Ga5I5BZpVkVxlJWbSQtXPSiUTtC0TjtGOmxa1AJPuV0CPthew=="
   crossorigin=""></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)); }
Leaflet formatNum
for (var i = 0; i < 1000; i++) { L.Util.formatNum(x, 2); }

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

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

Leaflet formatNum