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

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Mobile Safari/537.36 EdgA/141.0.0.0

Browser: Chrome Mobile 141

Operating system: Android

Device Platform: Mobile

Date tested: 6 months ago

Test name	Executions per second
run all strings with spread simple	23112826.0 Ops/sec
run all strings with spread unicode	26867908.0 Ops/sec
run all strings with spread intl	20865954.0 Ops/sec
run all strings with split simple	33933752.0 Ops/sec
run all strings with split unicode	4318280.5 Ops/sec
run all strings with split intl	33834184.0 Ops/sec
run all strings with Intl simple	30464.7 Ops/sec
run all strings with Intl unicode	31716.9 Ops/sec
run all strings with Intl intl	30916.8 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))