Javascript/코딩테스트-연습
[Javascript] 배열 뒤집기
BeomBe
2024. 1. 31. 16:06
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1. FOR
function reverse(num_list) {
var answer = [];
var j = num_list.length
for(var i = 1; i <= j; i++){
answer.push(num_list[j-i])
}
console.log(answer);
return answer;
}
var list = [7,3,5,4,2];
reverse(list);
2. Reverse()
var list = [7,3,2,5,9];
list.reverse();
console.log(list);
3. Reverse() 사용 + 전개 연산자 (Spread operator)
var list = [7,3,9,5,2];
var reverse = [...list].reverse(); // "..." 사용
console.log(reverse);
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