Run results for: log10 vs string len

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; HRY-LX1T) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Mobile Safari/537.36

Browser: Chrome Mobile 92

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Benchmark engine: Benchmark.js

log10

18.4M/s

string len

8.4M/s

View exact numbers

Test name	Executions per second
✓ log10	18,389,598 Ops/sec
string len	8,443,560 Ops/sec

Script Preparation code:

var a = 123456;
var b = 1;
var c = 123456.0132456;
var d = 1

Tests:

log10
Math.floor(Math.log10(a)); Math.floor(Math.log10(b)); Math.floor(Math.log10(c)); Math.floor(Math.log10(d));
string len
a.toString().length; b.toString().length; c.toString().length; d.toString().length;