Run results for: Javascript: Case insensitive string comparison performance with localeCompare call updated to specify locale.

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.36

Browser: Chrome 109

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

toLowerCase()

24.4M/s

toLowerCase() FAIL

10.8M/s

localeCompare() FAIL

73K/s

localeCompare()

70K/s

View exact numbers

Script Preparation code:

var a = "John Doe"
var b = "john doe"
var c = "john smith"
var o = {
    sensitivity: 'base'
}

Tests: