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: 9 months ago

run all strings with split simple

33.9M/s

run all strings with split intl

33.8M/s

run all strings with spread unicode

26.9M/s

run all strings with spread simple

23.1M/s

run all strings with spread intl

20.9M/s

run all strings with split unicode

4.3M/s

run all strings with Intl unicode

32K/s

run all strings with Intl intl

31K/s

run all strings with Intl simple

30K/s

View exact numbers

Test name	Executions per second
✓ run all strings with split simple	33,933,752 Ops/sec
run all strings with split intl	33,834,184 Ops/sec
run all strings with spread unicode	26,867,908 Ops/sec
run all strings with spread simple	23,112,826 Ops/sec
run all strings with spread intl	20,865,954 Ops/sec
run all strings with split unicode	4,318,280 Ops/sec
run all strings with Intl unicode	31,717 Ops/sec
run all strings with Intl intl	30,917 Ops/sec
run all strings with Intl simple	30,465 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))