Benchmark: Round Comparison - MeasureThat.net

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 = Math.random() * 100;
var runs = 1000;

Tests:

lodash round
for (var i = 0; i < runs; i++) { _.round(x); }
lodash round 1
for (var i = 0; i < runs; i++) { _.round(x, 1); }
toFixed()
for (var i = 0; i < runs; i++) { x.toFixed(); }
toFixed(1)
for (var i = 0; i < runs; i++) { x.toFixed(1); }
Math.round()
for (var i = 0; i < runs; i++) { Math.round(x); }
Math.round(1)
for (var i = 0; i < runs; i++) { Math.round(x * 10) / 10; }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
lodash round
lodash round 1
toFixed()
toFixed(1)
Math.round()
Math.round(1)

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36

Browser/OS: Chrome 113 on Windows

View result in a separate tab

Test name	Executions per second
lodash round	4219.7 Ops/sec
lodash round 1	1127.1 Ops/sec
toFixed()	4041.6 Ops/sec
toFixed(1)	4162.0 Ops/sec
Math.round()	4860.7 Ops/sec
Math.round(1)	4793.8 Ops/sec