Benchmark: .includes() vs indexOf() for single-character search in string

Script Preparation code:

var my_str = "thisStrinWillEventuallyContainASpace see I told you?"

Tests:

Rendered benchmark preparation results:

Previous results

Test case name	Result
includes()
indexOf()

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Latest run results:

Run details: (Test run date: 18 days ago)

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:124.0) Gecko/20100101 Firefox/124.0

Browser/OS: Firefox 124 on Linux

Test name	Executions per second
includes()	1210281000.0 Ops/sec
indexOf()	1341665000.0 Ops/sec

.includes() vs indexOf() for single-character search in string (version: 0)