Benchmark: test string1 - MeasureThat.net

HTML Preparation code:

<div></div>

Script Preparation code:

var TOTAL_STRINGS = 100000;
var tags = [];
while (tags.length < TOTAL_STRINGS) {
	tags.push('letter(A1,A)');
	tags.push('letter(A)');
}

Tests:

startsWith
tags.forEach(function (tag) { if (tag.startsWith('letter(') && tag.endsWith(')')) { var res = tag.replace('letter(', '').replace(')', '').split(','); } });
match
tags.forEach(function (tag) { var res = tag.match(/^letter$([a-z]{1}[1-9]?),?([a-z]?)$$/i); if (res) { } });
indexOf
tags.forEach(function (tag) { var i1 = tag.indexOf('letter('); var i2 = tag.indexOf(')'); if (i1 > -1 && i2 > -1) { var res = tag.substring(i1, i2).split(','); } });

Rendered benchmark preparation results:

Previous results

ⓘ Get performance results from real users on your website with Request Metrics.

Latest run results:

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

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.80 Safari/537.36

Browser/OS: Chrome 86 on Mac OS X 10.15.6

test string1 (version: 0)