Benchmark: Splitting and element access versus regex

Script Preparation code:

var path = '/foo/bar';

Tests:

Split
var pathFields = path.split('/'); if (pathFields.length > 0) { var pathRoot = pathFields[path.startsWith('/') ? 1 : 0]; }
Regex
var pathMatch = path.match(/[a-z]+(?=\/)/); if (pathMatch) { var pathRoot = pathMatch[0]; }

Rendered benchmark preparation results:

Previous results

Test case name	Result
Split
Regex

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Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:84.0) Gecko/20100101 Firefox/84.0

Browser/OS: Firefox 84 on Windows

Test name	Executions per second
Split	7244177.0 Ops/sec
Regex	17566650.0 Ops/sec

Splitting and element access versus regex (version: 0)