Run results for: Object access method

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36

Browser: Chrome 108

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Object.hasOwn()	2703057.8 Ops/sec
in	8640947.0 Ops/sec
Object[property]	8563149.0 Ops/sec

Script Preparation code:

var languageCodes = {
	'en': true,
	'af': true,
	'sq': true,
	'am': true,
	'ar': true,
	'hy': true,
	'az': true,
	'bn': true,
	'bs': true,
	'bg': true,
	'ca': true,
	'zh': true,
	'zh-tw': true,
	'hr': true,
	'cs': true,
	'da': true,
	'fa-af': true,
	'nl': true,
	'et': true,
	'fa': true,
	'tl': true,
	'fi': true,
	'fr': true,
	'fr-ca': true,
	'ka': true,
	'de': true,
	'el': true,
	'gu': true,
	'ht': true,
	'ha': true,
	'he': true,
	'hi': true,
	'hu': true,
	'is': true,
	'id': true,
	'ga': true,
	'it': true,
	'ja': true,
	'kn': true,
	'kk': true,
	'ko': true,
	'lv': true,
	'lt': true,
	'mk': true,
	'ms': true,
	'ml': true,
	'mt': true,
	'mr': true,
	'mn': true,
	'no': true,
	'ps': true,
	'pl': true,
	'pt': true,
	'pt-pt': true,
	'pa': true,
	'ro': true,
	'ru': true,
	'sr': true,
	'si': true,
	'sk': true,
	'sl': true,
	'so': true,
	'es': true,
	'es-mx': true,
	'sw': true,
	'sv': true,
	'ta': true,
	'te': true,
	'th': true,
	'tr': true,
	'uk': true,
	'ur': true,
	'uz': true,
	'vi': true,
	'cy': true,
};

Tests:

Object.hasOwn()
Object.hasOwn(languageCodes, 'tr');
in
'tr' in languageCodes;
Object[property]
languageCodes['tr'];

Run results for: Object access method

Object.hasOwn()

in

Object[property]