Run results for: [...spread] vs .split vs Intl.Segmenter

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36

Browser: Chrome 142

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 6 months ago

Test name	Executions per second
run all strings with spread simple	51742284.0 Ops/sec
run all strings with spread unicode	60715916.0 Ops/sec
run all strings with spread intl	46359016.0 Ops/sec
run all strings with split simple	80556952.0 Ops/sec
run all strings with split unicode	13371213.0 Ops/sec
run all strings with split intl	76357400.0 Ops/sec
run all strings with Intl simple	145571.7 Ops/sec
run all strings with Intl unicode	147286.9 Ops/sec
run all strings with Intl intl	141613.2 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

var simple = 'test';
var unicode = '🥷🏻';
var intlFR = 'élève';

Tests:

run all strings with spread simple
[...simple]
run all strings with spread unicode
[...unicode]
run all strings with spread intl
[...intlFR]
run all strings with split simple
simple.split("")
run all strings with split unicode
unicode.split("")
run all strings with split intl
intlFR.split("")
run all strings with Intl simple
Array.from(new Intl.Segmenter().segment(simple))
run all strings with Intl unicode
Array.from(new Intl.Segmenter().segment(unicode))
run all strings with Intl intl
Array.from(new Intl.Segmenter().segment(intlFR))