Run results for: check navigator.language v2 - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

Browser: Chrome 133

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

substr()

1.1M/s

substring()

1.1M/s

indexOf()

1.1M/s

test()

948K/s

=== || ===

594K/s

View exact numbers

Test name	Executions per second
✓ substr()	1,143,463 Ops/sec
substring()	1,130,580 Ops/sec
indexOf()	1,113,376 Ops/sec
test()	948,124 Ops/sec
=== \|\| ===	593,731 Ops/sec

Tests:

indexOf()
!navigator.language.indexOf('ru')
substr()
'ru'===navigator.language.substr(0,2)
test()
/^ru/.test(navigator.language)
=== || ===
navigator.language==='ru'||navigator.language==='ru-RU'
substring()
'ru'===navigator.language.substring(0,2)