Run results for: rtu5efdhju52y4rsgd

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36

Browser: Chrome 111

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
charCodeAt(0)	28241090.0 Ops/sec
charCodeAt(300)	28317590.0 Ops/sec
[0]	28218720.0 Ops/sec
[10]	28350030.0 Ops/sec
shshdsh	24613890.0 Ops/sec

Script Preparation code:

var str = "some string heresome string heresome string heresome string heresome string heresome string heresome string heresome string heresome string heresome string heresome string heresome string heresome string heresome string heresome string heresome string heresome string heresome string heresome string here"

Tests:

charCodeAt(0)
str.charCodeAt(0)
charCodeAt(300)
str.charCodeAt(300)
[0]
str[0]
[10]
str[300]
shshdsh
function isHangul(word) { for (let index = 0; index < word.length; index++) { if (word[index].charCodeAt(0)) return false; } return !!word; } isHangul(str[300]);

Run results for: rtu5efdhju52y4rsgd

charCodeAt(0)

charCodeAt(300)

[0]

[10]

shshdsh