Notice
Recent Posts
Recent Comments
Link
์ผ | ์ | ํ | ์ | ๋ชฉ | ๊ธ | ํ |
---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | |
7 | 8 | 9 | 10 | 11 | 12 | 13 |
14 | 15 | 16 | 17 | 18 | 19 | 20 |
21 | 22 | 23 | 24 | 25 | 26 | 27 |
28 | 29 | 30 | 31 |
Tags
- Porject
- eport
- https://m.blog.naver.com/tt2t2am1118/221010125300
- async
- addEventListener
- database
- callback
- webpack
- json
- setTimeout()
- db
- mysql
- Project
- ์ฐธ๊ณ ๋ธ๋ก๊ทธ
- https://youtube.com/playlist?list=PLuHgQVnccGMA5836CvWfieEQy0T0ov6Jh&si=FTaYv8m21EhO-A2K
- Import
- promise
- slow and steady
- execCommand
- await
- ๋น๋๊ธฐ
- ๊ฒ์
- js
- prj
- object
- JS #ํ๋ก์ ํธ
- sql
- ๋๊ธฐ
- ajax
- ํผํ
Archives
- Today
- Total
C-log
์ก๋ด ๋ณธ๋ฌธ
728x90
REPL
what is CDN
pemdas
์๋ฐ์คํฌ๋ฆฝํธ ๋ช ๋ช ๊ท์น
function lastElement(num) {
if (num.length !== 0) {
console.log(num[num.length - 1]);
return num[num.length - 1];
}
else {
console.log(null);
return null;
}
}
lastElement([3, 5, 7]);//7
lastElement([1]);//1
lastElement([]);//null
function lastElement(num) {
if (num !== null) {
console.log(num[num.length - 1]);
return num[num.length - 1];
}
else {
console.log(null);
return null;
}
}
lastElement([3, 5, 7]);//7
lastElement([1]);//1
lastElement([]);//undefined
728x90
Comments