Benchmark: string comparison bnchmk 1 - MeasureThat.net

Script Preparation code:

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

Tests:

toLowerCase()
a.toLowerCase() === b.toLowerCase()
toLowerCase() FAIL
c.toLowerCase() === b.toLowerCase()
toLocaleLowerCase()
a.toLocaleLowerCase() === b.toLocaleLowerCase()
toLocaleLowerCase() FAIL
c.toLocaleLowerCase() === b.toLocaleLowerCase()
mapped
d[a] === b
mapped FAIL
d[a] === c

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
toLowerCase()
toLowerCase() FAIL
toLocaleLowerCase()
toLocaleLowerCase() FAIL
mapped
mapped FAIL

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.0.0 Safari/537.36

Browser/OS: Chrome 102 on Windows

View result in a separate tab

Test name	Executions per second
toLowerCase()	3705557.0 Ops/sec
toLowerCase() FAIL	3498361.0 Ops/sec
toLocaleLowerCase()	1405783.0 Ops/sec
toLocaleLowerCase() FAIL	1535610.0 Ops/sec
mapped	2964329.0 Ops/sec
mapped FAIL	2701651.0 Ops/sec