in-hasWon-hasOwnProperty

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Testing in
TestOps/sec
in
function checkError() {
	const foo = JSON.parse("{\"error\":null}")
	if ('error' in foo) {
		return true
	}
	return false
}

checkError()
ready
hasOwnProperty
function checkError() {
	const foo = JSON.parse("{\"error\":null}")
	if (foo.hasOwnProperty('error')) {
		return true
	}
	return false
}

checkError()
ready
hasOwn
function checkError() {
	const foo = JSON.parse("{\"error\":null}")
	if (Object.hasOwn(foo, 'error')) {
		return true
	}
	return false
}

checkError()
ready

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