인프런 커뮤니티 질문&답변

const SETTING = {
	name: 'Lucky Lotto!',
	count: 6,
	maxNumber: 45
}

function getSingleNum(min, max) {
	return Math.floor(Math.random() * (max - min + 1)) + 1
}

function getLottoNum() {
	let numSet = new Set()
	let {count, maxNumber} = SETTING

	while(numSet.size !== count) {
		let num = getSingleNum(1, maxNumber)
		if(!numSet.has(num)) numSet.add(num)
	}

	return [...Array.from(numSet).sort((a, b) => a - b)]
}

console.log(getLottoNum())