Run results for: Round to 2 decimal places speed comparisons

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/117.0

Browser: Firefox 117

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Round floating number using lodash round function	2344.8 Ops/sec
Round float number with Math.round	2554533.2 Ops/sec
Round floating number using toFixed()	15096.5 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));
}