Run results for: Round to 2 decimal places speed comparisons

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36 Edg/116.0.1938.76

Browser: Chrome 116

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Round floating number using lodash round function	2777.3 Ops/sec
Round float number with Math.round	10121.5 Ops/sec
Round floating number using toFixed()	5012.8 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

AخA
 
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

var x = Math.random() * 100;

 
var x = Math.random() * 100;

Tests:

Round floating number using lodash round function
for (var i = 0; i < 1000; i++) { _.round(x, 2); }
for (var i = 0; i < 1000; i++) {
_.round(x, 2);
}
Round float number with Math.round
for (var i = 0; i < 1000; i++) { Math.round(x * 100) / 100 }
for (var i = 0; i < 1000; i++) {
Math.round(x * 100) / 100
}
Round floating number using toFixed()
for (var i = 0; i < 1000; i++) { Number(x.toFixed(2)); }
for (var i = 0; i < 1000; i++) {
Number(x.toFixed(2));
}