Benchmark: Javascript: Case insensitive string comparison indexOf vs includes

Script Preparation code:

const words = Array.from({ length: 1000 }, (_, i) => `word${i + 1}`);
const searchString = "WORD512";
const searchStringRegex = new RegExp(request.query, 'i');

Tests:

toLowerCase()
words.filter(word => word.toLowerCase().includes(searchString));
Regex
words.filter(word => searchStringRegex.indexOf(word));

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
toLowerCase()
Regex

Fastest: N/A

Slowest: N/A

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Javascript: Case insensitive string comparison indexOf vs includes (version: 0)

Comparing performance of: toLowerCase() vs Regex

Created: 8 days ago by: Guest

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toLowerCase()

Regex

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

No previous run results