๐Ÿ‘ฆ ๋‚ด์ผ๋ฐฐ์›€์บ ํ”„/TIL(Today I Learned)

TIL_220418

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์ŠคํŒŒ๋ฅดํƒ€ ์ฝ”๋”ฉํด๋Ÿฝ ๋‚ด์ผ๋ฐฐ์›€์บ ํ”„ ์‹œ์ž‘.

 

์›น๊ฐœ๋ฐœ ์ข…ํ•ฉ๋ฐ˜์„ ์‹œ์ž‘์œผ๋กœ..

1์ฃผ :  https://atommi.tistory.com/2?category=957811 

 

[์ŠคํŒŒ๋ฅดํƒ€์ฝ”๋”ฉํด๋Ÿฝ] ์›น๊ฐœ๋ฐœ ์ข…ํ•ฉ๋ฐ˜ - 1์ฃผ์ฐจ ๊ฐœ๋ฐœ์ผ์ง€

[์ŠคํŒŒ๋ฅดํƒ€์ฝ”๋”ฉํด๋Ÿฝ] ์›น๊ฐœ๋ฐœ ์ข…ํ•ฉ๋ฐ˜ - 1์ฃผ์ฐจ ๊ฐœ๋ฐœ์ผ์ง€ 2์›” 21๋ถ€ํ„ฐ ์‹œ์ž‘ํ•œ ์ŠคํŒŒ๋ฅดํƒ€์ฝ”๋”ฉํด๋Ÿฝ ์›น๊ฐœ๋ฐœ ์ข…ํ•ฉ๋ฐ˜ ์ˆ˜์—…!! ๋น„์ „๊ณต์ž์ด๋ฉฐ, ์–ด๋– ํ•œ ์ง€์‹๋„ ์—†๋Š” ์ƒํƒœ๋กœ ๋ฐฐ์šฐ๋ ค๋‹ˆ ๊ทธ์•ผ๋ง๋กœ ๋ˆˆ ์•ž์— ์ ˆ๋ฒฝ์ด

atommi.tistory.com

2์ฃผ : https://atommi.tistory.com/14?category=957811

 

[์ŠคํŒŒ๋ฅดํƒ€์ฝ”๋”ฉํด๋Ÿฝ] ์›น๊ฐœ๋ฐœ ์ข…ํ•ฉ๋ฐ˜ - 2์ฃผ์ฐจ ๊ฐœ๋ฐœ์ผ์ง€ / ์ˆ™์ œ(์‹ค์Šต/ํ’€์ด)

๋ฐฐ์šด ๋‚ด์šฉ์„ ๊ฐ€์ง€๊ณ  1์ฃผ์ฐจ ์™„์„ฑํ–ˆ๋˜ ์ฝ”๋“œ์— ๋Œ€์ž…ํ•ด๋ณด์ž! ํ‰์†Œ์™€ ๊ฐ™์€ ๋งˆ์ธ๋“œ๋กœ ์ž„ํ–ˆ๋‹ค.. ๊ฒฐ๊ณผ๋Š” ์„ฑ๊ณต์ ..!! ์ด์˜€์ง€๋งŒ.. ํ’€์ดํ•ด์„ค์„ ๋ณด๋‹ˆ.. ๋‚ด ์ฝ”๋“œ๋Š” ์‘์• ๋ผ๋Š” ๊ฒƒ์„ ์•Œ ์ˆ˜ ์žˆ์—ˆ๋‹ค.. (์œ ๊ฐ) ์‹ค์Šต) ์ƒ

atommi.tistory.com

3์ฃผ : https://atommi.tistory.com/17?category=957811 

 

[์ŠคํŒŒ๋ฅดํƒ€์ฝ”๋”ฉํด๋Ÿฝ] ์›น๊ฐœ๋ฐœ ์ข…ํ•ฉ๋ฐ˜ - 3์ฃผ์ฐจ ๊ฐœ๋ฐœ์ผ์ง€ / ์ˆ™์ œ(์‹ค์Šต/ํ’€์ด)

๋ฒŒ์จ 3์ฃผ์ฐจ ๊ฐœ๋ฐœ์ผ์ง€.. ๋นจ๋ฆฌ ๋ฐฐ์šฐ๊ณ  ์‹ถ์€ ์š•๊ตฌ์™€ ์—ด์ •์œผ๋กœ ์ง€๊ธˆ๊นŒ์ง€ ๋‹ฌ๋ ค์˜ฌ ์ˆ˜ ์žˆ์—ˆ๋‹ค. ์ˆ™์ œ๋„ ํ€ด์ฆˆ๋„ ์ •๋ง์ •๋ง ์–ด๋ ต์ง€๋งŒ ๋ญ”๊ฐ€ ์ˆ˜๊ฐ•ํ•˜๋Š” ํ•™์ƒ๋“ค์˜ ์ž๋ฐœ์ ์œผ๋กœ ์œ ๋„ํ•˜๋Š” ๊ต์œก ๋‚ด์šฉ๋“ค์ด ๋‚˜์˜์ง€๋งŒ

atommi.tistory.com

4์ฃผ : https://atommi.tistory.com/18?category=957811 

 

[์ŠคํŒŒ๋ฅดํƒ€์ฝ”๋”ฉํด๋Ÿฝ] ์›น๊ฐœ๋ฐœ ์ข…ํ•ฉ๋ฐ˜ - 4์ฃผ์ฐจ ๊ฐœ๋ฐœ์ผ์ง€ / ์ˆ™์ œ

๋“œ๋””์–ด 1์ฃผ์ฐจ ๊ณต๋“ค์ธ ์ˆ™์ œ๋ฅผ ์™„์„ฑํ•  ๋•Œ๊ฐ€ ์™”๋‹ค. 1์ฃผ์ฐจ์— ์™„์„ฑํ•œ ์‡ผํ•‘๋ชฐ์„ ์™„์„ฑํ•ด์ฃผ์„ธ์š”! ์‡ผํ•‘๋ชฐ์€ ๋‘ ๊ฐ€์ง€ ๊ธฐ๋Šฅ์„ ์ˆ˜ํ–‰ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. 1) ์ฃผ๋ฌธํ•˜๊ธฐ(POST): ์ •๋ณด ์ž…๋ ฅ ํ›„ '์ฃผ๋ฌธํ•˜๊ธฐ' ๋ฒ„ํŠผํด๋ฆญ ์‹œ ์ฃผ๋ฌธ

atommi.tistory.com

5์ฃผ : https://atommi.tistory.com/19?category=957811 

 

[์ŠคํŒŒ๋ฅดํƒ€์ฝ”๋”ฉํด๋Ÿฝ] ์›น๊ฐœ๋ฐœ ์ข…ํ•ฉ๋ฐ˜ - 5์ฃผ์ฐจ ๊ฐœ๋ฐœ์ผ์ง€ / ์ˆ™์ œ

5์ฃผ์ฐจ ๊ณผ์ •์„ ์ˆ˜๋ฃŒํ•˜๊ณ  ๋“œ๋””์–ด ์™„์„ฑํ•œ ๋‚˜๋งŒ์˜ ๋„๋ฉ”์ธ ๊ทธ๋ฆฌ๊ณ  ๋‚˜๋งŒ์˜ ์›น์‚ฌ์ดํŠธ!! http://btommi.shop/ ๋‹˜๋งŒ ์•„๋Š” ๊ทธ๋Ÿฐ ํ™ˆํŽ˜์ด์ง€ ๋“ค์–ด์™€์ฃผ๋ฉด ๋•กํํ•จ btommi.shop ๋ฐฉ๋ช…๋ก๊ณผ ๋น„์Šทํ•œ ์›น์‚ฌ์ดํŠธ๋ฅผ ๊ธฐ๋ฐ˜์œผ๋กœ ๋ณ€ํ˜•

atommi.tistory.com

 

๋๋‚˜์ž ๋งˆ์ž ๋ฉ”์ดํ‚น ์ฑŒ๋ฆฐ์ง€ 12๊ธฐ 15์ฃผ ๋„์ „!!

ํ”„๋ก ํŠธ์—”๋“œ๋กœ ํ™œ๋™!!

 

๋‚˜๋Š” ๋กœ๊ทธ์ธ/ํšŒ์›๊ฐ€์ž… ํŽ˜์ด์ง€์™€ ๋ฉ”์ธ ํŽ˜์ด์ง€๋ฅผ ๋งก์•˜๋‹ค.

 

์ž‘ํ’ˆ๋ช… : My Online Diary

 

์‰ดํ‹ˆ ์—†์ด ์ด๋ ‡๊ฒŒ ๋‹ฌ๋ ค์™”๊ณ ..

 

์ง€๊ธˆ์˜ ๋‚˜๋Š” ๋‚ด์ผ๋ฐฐ์›€์บ ํ”„๋ฅผ ์ง€์›ํ•˜์—ฌ ๊ต์œก์ƒ์œผ๋กœ ์ƒˆ๋กœ์šด ๋„์ „์— ์ž„ํ•˜๊ณ  ์žˆ๋‹ค.

 

์ฒซ ์ฃผ๋Š” ์›น๊ฐœ๋ฐœ ์ข…ํ•ฉ๋ฐ˜์—์„œ ๋ฐฐ์šด ๋‚ด์šฉ์„ ๋‹ค์‹œ ๋ณต์Šตํ•˜๋Š” ์ฃผ๊ฐ„์ด ๋˜์—ˆ๋‹ค.

 

์˜ค๋Š˜์€ ๊ทธ ์ฃผ์˜ ์ฒซ๋‚ ..

 

OT๋กœ ์—„์ฒญ๋‚œ ์Šค์ผ€์ค„๊ณผ ํ•˜๋“œํ•œ ๊ต์œก ๊ณผ์ •์„ ์•ˆ๋‚ด๋ฐ›๊ณ  ๋„ˆ๋œํ•ด์ง„ ๋‚ด ๋ฉ˜ํƒˆ..

 

ํ•˜์ง€๋งŒ ๋‹ค์‹œ๊ธˆ ์ข‹์€ ํŒ€์›๋“ค๊ณผ ๋งŒ๋‚˜ ์ด์•ผ๊ธฐ๋ฅผ ๋‚˜๋ˆ„๊ณ  ํ•จ๊ป˜ ์œผ์Œฐ ํ–ˆ๋˜ ์‘์›์œผ๋กœ ๋‹ค์‹œ ํšŒ๋ณตํ•œ ๋ฉ˜ํƒˆ.

 

ํž˜ ์–ป์–ด 12์‹œ๊ฐ„ ํ™”์ดํŒ…..!!

 


๋ฌด์—‡์„ ๋Š๊ผˆ๋Š”๊ฐ€.

 

๋ณธ ๊ต์œก์˜ ๋‚ด์šฉ์„ ๋“ฃ๊ธฐ ์ „์— ๋‹ค์‹œ ํ•œ ๋ฒˆ ๊ธฐ๋ณธ๊ธฐ๋ฅผ ๋‹ค์ง€๊ณ ์ž ์›น๊ฐœ๋ฐœ ์ข…ํ•ฉ๋ฐ˜ ๊ต์œก์„ ๋ณต์Šตํ•˜๋Š” ์ฃผ๊ฐ€ ๋˜์—ˆ๋‹ค.

 

๋ฉ”์ดํ‚น ์ฑŒ๋ฆฐ์ง€๊นŒ์ง€๋Š” ์ •๋ง ๋˜๊ธฐ๋งŒ ํ•ด๋ผ ํ•˜๋ฉฐ ์ฝ”๋“œ๋ฅผ ์‰ด ํ‹ˆ์—†์ด ๋ณด๊ณ  ๋„ฃ๊ณ  ์ˆ˜์ •ํ•ด์„œ ๋‚ด ๊ฒƒ์œผ๋กœ ๋งŒ๋“œ๋Š” ๋ฐ๊นŒ์ง€ ์–ผ๋งˆ๋‚˜ ์ˆ˜์ •ํ•œ์ง€ ๋ชจ๋ฅธ๋‹ค.

๊ทธ ์ˆ˜์ •ํ•˜๋Š” ๋™์•ˆ์— ๊ฒช์—ˆ๋Š” ์ˆ˜ ๋งŽ์€ ์˜ค๋ฅ˜๋“ค ๊ทธ๋ฆฌ๊ณ  ์™œ ๊ทธ๋žฌ์—ˆ๋Š”์ง€ ๋ชจ๋ฅผ ์ด์œ ๋“ค๊นŒ์ง€.

 

ํ”„๋กœ์ ํŠธ ์‹ค์Šต ๋•Œ์˜ ์–ด๋ ค์› ๋˜ ์ด์œ ๋Š” ๊ฐ„๋‹จํ–ˆ๋‹ค.

์ต์ˆ™ํ•˜์ง€ ๋ชปํ•œ ์ฝ”๋“œ, ํ™•๋ฆฝ์ด ๋˜์ง€ ๋ชปํ•œ ์ฝ”๋“œ ๊ฐœ๋… ๋“ฑ

์ด๋ฒˆ ๋ณต์Šต์„ ํ†ตํ•ด์„œ ๋‚ด ๋ถ€์กฑํ•จ๊ณผ ์ด์ œ๋Š” ์ดํ•ดํ•  ์ˆ˜ ์žˆ์—ˆ๋˜ ๊ฐœ๋…์— ๋‹ฟ์„ ์ˆ˜ ์žˆ์—ˆ๋‹ค.

 

๋‚˜๋Š” ๊ธ€์„ ์ž˜ ์“ฐ์ง€ ๋ชปํ•œ๋‹ค.

๋ง๋กœ ์„ค๋ช…ํ•˜๋Š” ๊ฒƒ๋„ ๋‹ค๋ฅธ ์‚ฌ๋žŒ๋“ค์— ๋น„ํ•ด์„œ ์„œํˆด๊ณ  ์–ด๋ ค์›Œ ํ•œ๋‹ค.

 

์ง€๊ธˆ ์“ฐ๊ณ  ์žˆ๋Š” ๊ฐœ๋ฐœ ์ผ์ง€๋„ ๊ทธ์ € ๋ฐฐ์šด ๊ฒƒ์„ ํ•„๊ธฐํ•˜๋Š” ๊ฒƒ์— ๊ธ‰๊ธ‰ํ•˜๋‹ค.

ํ•˜์ง€๋งŒ ๋ฉ”์—ฌ์žˆ์ง€ ๋ง๊ณ , ์ง€๊ธˆ ๋‚ด๊ฐ€ ๋‹น์žฅ ํ•  ์ˆ˜ ์žˆ๋Š” ๊ฒƒ์„ ์ฐพ์•„ ํ•ด๋ณด์ž.

 

์ž˜์“ฐ๊ณ  ๋‚จ๊ธฐ๊ธฐ ๋ณด๋‹ค ์ž˜ ํ™œ์šฉํ•˜๊ณ  ์ž˜ ์ด์šฉํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ๋ฐฐ์›Œ๊ฐ€์ž.

 

 


[์˜ค๋Š˜ ํ•˜๋ฃจ ํ•„๊ธฐ์‹ ๋ฐฐ์šด ๋‚ด์šฉ ๊ธฐ๋กํ•˜๊ธฐ]

 

HTML ๊ณผ CSS ๊ฐœ๋…

HTML : ๋ผˆ๋Œ€

- ์˜ˆ์ „์—๋Š” style ๋กœ ์†์„ฑ ๊พธ๋ฏธ๊ธฐ๋ฅผ ํ–ˆ์—ˆ์ง€๋งŒ ์„ธ์›”์ด ํ˜๋Ÿฌ CSS ๋ผ๋Š” ํŒŒ์ผ์„ ๋ถˆ๋Ÿฌ์™€์„œ ์ ์šฉํ•˜๋Š” ๋ฐฉ๋ฒ•์ด ์ƒ๊ฒผ๋‹ค๊ณ  ํ•œ๋‹ค.

CSS : ๊พธ๋ฏธ๊ธฐ

- CSS์˜ ํ™œ์šฉ๊ณผ ์˜ˆ์˜๊ฒŒ ๊พธ๋ฏธ๊ธฐ๋Š” ๋งˆ์น˜ '๋ถ“์„ ์žก์„ ์ค„ ์•„๋Š” ๊ฒƒ๊ณผ ๊ทธ๋ฆผ์„ ์ž˜ ๊ทธ๋ฆด ์ค„ ์•„๋Š” ๊ฒƒ์˜ ์ฐจ์ด' ๋ผ๊ณ  ์„ค๋ช…ํ–ˆ๋‹ค.

 

๋งค์šฐ ๋‹จ์ˆœํ•˜์ง€๋งŒ ํ™•์‹คํ•˜๊ฒŒ ์ดํ•ดํ–ˆ๋‹ค.

 

ํ•„์ˆ˜ ๋‹จ์ถ•ํ‚ค

์ž๋™์ •๋ ฌ : ctrl+alt+L (๋งฅ์€ cmd+alt+L)

 

CSS์˜ ๊ธฐ์ดˆ

HTML ์˜ ๋ถ€๋ชจ - ์ž์‹ ๊ตฌ์กฐ

 

CSS ๊ฐ•์˜ ์ค‘ ์ž์ฃผ ์“ฐ์ด๋Š” ๋‹จ์–ด

๋ฐฐ๊ฒฝ๊ด€๋ จ
- background-color
- background-image
- background-size
์‚ฌ์ด์ฆˆ
- width
- height
ํฐํŠธ
- font-size
- font-weight
- font-family
- color
๊ฐ„๊ฒฉ
- margin
- padding

 

์ฝ”๋“œ ์ฃผ์„ ์ฒ˜๋ฆฌ

ctrl + /

 

CSS ๋ถ€ํŠธ์ŠคํŠธ๋žฉ

๋งํฌ : https://getbootstrap.com/docs/5.0/components/buttons/

 

Buttons

Use Bootstrap’s custom button styles for actions in forms, dialogs, and more with support for multiple sizes, states, and more.

getbootstrap.com

 

์ ์šฉ์‹œ

CSS ์ ์šฉ ํ•˜๊ธฐ ์ „์— ์‚ฌ์ „ ๋ผˆ๋Œ€๋ฅผ ๊ธฐ๋ณธ CSS ๋กœ ๊ตฌ์„ฑํ•˜๊ณ  ํ•˜๋‚˜์”ฉ ์ ์žฌ์ ์†Œ ํ•˜๋ฉฐ ์ž…ํžŒ๋‹ค.

 

๋ฐฐ๊ฒฝ ์ด๋ฏธ์ง€ 3๋Œ€์žฅ

background-image: url("์ด๋ฏธ์ง€ ๋งํฌ");
background-size: cover;
background-position: center;

 

๋‚ด์šฉ ๊ฐ€์šด๋ฐ ์ •๋ ฌ 4๋Œ€์žฅ

display: flex;
flex-direction: column;
justify-content: center;
align-items: center;

 

์Šคํƒ€์ผ (CSS) ์˜ ๊ตฌ๋ฌธ ํ™œ์šฉ

.mytitle > button {
}

/*  class = "mytitle" ์ด ์ ์šฉ๋˜์–ด ๊ฐ์‹ธ๊ณ  ์žˆ๋Š” <button> ์„ ๊ฐ€๋ฆฌํ‚จ๋‹ค  */

 

CSS hover : ๋งˆ์šฐ์Šค๊ฐ€ ์˜ฌ๋ผ๊ฐ€๋ฉด..~

.mytitle > button {
    border-radius: 50px;
    border: 1px solid white;
}

.mytitle > button:hover {
    border: 2px solid white;
}

/* hover : ๋ฒ„ํŠผ(์ ์šฉํ•˜๊ณ ์ž ํ•˜๋Š” ๋ถ€๋ถ„)์— ๋งˆ์šฐ์Šค๋ฅผ ์˜ฌ๋ ธ์„ ๋•Œ ๋‹ค์Œ ํšจ๊ณผ๋ฅผ ์ ์šฉํ•˜๊ฒ ๋‹ค๋Š” ๋œป */

 

CSS ์•„์ด์ฝ˜ ๋ชจ์Œ

๋งํฌ : https://kr.piliapp.com/facebook-symbols/

 

ํŽ˜์ด์Šค ๋ถ ๊ธฐํ˜ธ : ์›ƒ๋Š” ๊ธฐํ˜ธ, ์ด๋ชจํ‹ฐ์ฝ˜ ๊ธฐํ˜ธ, ์ด๋ชจํ‹ฐ์ฝ˜๊ณผ ์ฝ”๋“œ ๋ชฉ๋ก

× ์ด๋ชจ์ง€ - ์ด๋ชจํ‹ฐ์ฝ˜ ํ˜น์€ ์›ƒ๋Š” ์–ผ๊ตด์ด๋ผ๊ณ ๋„ ๋ถˆ๋ฆฝ๋‹ˆ๋‹ค. iOS์™€ Android๋Š” ๊ธฐ๋ณธ์ ์œผ๋กœ 845๊ฐœ์˜ ์ด๋ชจํ‹ฐ์ฝ˜์„ ์ง€์›ํ•˜๊ณ  ์žˆ์œผ๋ฉฐ, ํŽ˜์ด์Šค๋ถ์€ ํ•˜ํŠธ/์‚ฌ๋ž‘ ๊ธฐํ˜ธ, ๋ณ„, ๋ถ€ํ˜ธ ๋ฐ ๋™๋ฌผ ๋ชจ์–‘์„ ํฌํ•จํ•œ ์ ˆ๋ฐ˜์„ ์ง€์›

kr.piliapp.com

 

CSS ๊ทœ๊ฒฉ ๋ชจ๋ฐ”์ผ ์ฒ˜๋ฆฌ

max-width: 500px;
width: 95%;

์ตœ๋Œ€ 500px ๋กœ ๊ณ ์ •ํ•˜๋˜ ์ž‘์•„์งˆ ๊ฒฝ์šฐ ์ฐฝ์˜ 95% ๋ฅผ ์œ ์ง€ํ•˜๋ผ๋Š” ๋œป

 

์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ Javascript

๋ผˆ๋Œ€(HTML) ๋ฅผ ๋งŒ๋“ค๊ณ  ๊พธ๋ฉฐ์„œ(CSS) ์›€์ง์ด๊ฒŒ(Javascript) ํ•ด์ค€๋‹ค.

 

๊นจ์•Œ ๊ถ๊ธˆ์ฆ : Java์™€ Javascript๋Š” ์–ด๋–ค ์ฐจ์ด๊ฐ€ ์žˆ๋‚˜?

์ธ๋„์™€ ์ธ๋„๋„ค์‹œ์•„..

๋ฐ”๋‹ค์™€ ๋ฐ”๋‹ค์ฝ”๋ผ๋ฆฌ..

์•„๋ฌด ๊ด€๋ จ ์—†๋‹ค๊ณ  ํ•œ๋‹ค..

 

์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ Javascript ๊ธฐ๋ณธ ๊ตฌ์กฐ

<script>
    function hey(){
        alert('์•ˆ๋…•!');
    }
</script>

+

onclick="hey()"

 

ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์–ธ์–ด๋ฅผ ๋ฐฐ์šธ๋• 5๊ฐ€์ง€๋ฅผ ๊ธฐ์–ตํ•˜์ž

๋ณ€์ˆ˜ : ๊ฐ’์„ ๋‹ด๋Š”๋‹ค

์ž๋ฃŒํ˜• : ์ˆซ์ž๋ƒ ๋ฌธ์ž๋ƒ

ํ•จ์ˆ˜ : hey() ๊ฐ™์€ ์• ๋“ค

์กฐ๊ฑด๋ฌธ : ๋งŒ์•ฝ if()/๊ทธ๊ฒŒ ์•„๋‹ˆ๋ผ๋ฉดelse()

๋ฐ˜๋ณต๋ฌธ : ๊ณ„์† ๋ฐ˜๋ณตํ•˜์ž

 

๋ฆฌ์ŠคํŠธ & ๋”•์…”๋„ˆ๋ฆฌ

- ๋ฆฌ์ŠคํŠธ

let a_list = []  // ๋ฆฌ์ŠคํŠธ๋ฅผ ์„ ์–ธ. ๋ณ€์ˆ˜ ์ด๋ฆ„์€ ์—ญ์‹œ ์•„๋ฌด๋ ‡๊ฒŒ๋‚˜ ๊ฐ€๋Šฅ!

// ๋˜๋Š”,

let b_list = [1,2,'hey',3] // ๋กœ ์„ ์–ธ ๊ฐ€๋Šฅ

b_list[1] // 2 ๋ฅผ ์ถœ๋ ฅ
b_list[2] // 'hey'๋ฅผ ์ถœ๋ ฅ

// ๋ฆฌ์ŠคํŠธ์— ์š”์†Œ ๋„ฃ๊ธฐ
b_list.push('ํ—ค์ด')
b_list // [1, 2, "hey", 3, "ํ—ค์ด"] ๋ฅผ ์ถœ๋ ฅ

// ๋ฆฌ์ŠคํŠธ์˜ ๊ธธ์ด ๊ตฌํ•˜๊ธฐ
b_list.length // 5๋ฅผ ์ถœ๋ ฅ

- ๋”•์…”๋„ˆ๋ฆฌ

let a_dict = {}  // ๋”•์…”๋„ˆ๋ฆฌ ์„ ์–ธ. ๋ณ€์ˆ˜ ์ด๋ฆ„์€ ์—ญ์‹œ ์•„๋ฌด๋ ‡๊ฒŒ๋‚˜ ๊ฐ€๋Šฅ!

// ๋˜๋Š”,

let b_dict = {'name':'Bob','age':21} // ๋กœ ์„ ์–ธ ๊ฐ€๋Šฅ
b_dict['name'] // 'Bob'์„ ์ถœ๋ ฅ
b_dict['age'] // 21์„ ์ถœ๋ ฅ

b_dict['height'] = 180 // ๋”•์…”๋„ˆ๋ฆฌ์— ํ‚ค:๋ฐธ๋ฅ˜ ๋„ฃ๊ธฐ
b_dict // {name: "Bob", age: 21, height: 180}์„ ์ถœ๋ ฅ

- ๋ฆฌ์ŠคํŠธ & ๋”•์…”๋„ˆ๋ฆฌ ์กฐํ•ฉ

names = [{'name':'bob','age':20},{'name':'carry','age':38}]

// names[0]['name']์˜ ๊ฐ’์€? 'bob'
// names[1]['name']์˜ ๊ฐ’์€? 'carry'

new_name = {'name':'john','age':7}
names.push(new_name)

// names์˜ ๊ฐ’์€? [{'name':'bob','age':20},{'name':'carry','age':38},{'name':'john','age':7}]
// names[2]['name']์˜ ๊ฐ’์€? 'john'

- ํŠน์ • ๋ฌธ์ž๋กœ ๋ฌธ์ž์—ด์„ ๋‚˜๋ˆ„๊ณ  ์‹ถ์€ ๊ฒฝ์šฐ

let myemail = 'sparta@gmail.com'

let result = myemail.split('@') // ['sparta','gmail.com']

result[0] // sparta
result[1] // gmail.com

let result2 = result[1].split('.') // ['gmail','com']

result2[0] // gmail -> ์šฐ๋ฆฌ๊ฐ€ ์•Œ๊ณ  ์‹ถ์—ˆ๋˜ ๊ฒƒ!
result2[1] // com

myemail.split('@')[1].split('.')[0] // gmail -> ๊ฐ„๋‹จํ•˜๊ฒŒ ์“ธ ์ˆ˜๋„ ์žˆ๋‹ค!

 

์กฐ๊ฑด๋ฌธ & ๋ฐ˜๋ณต๋ฌธ

<script>
    let scores = [
        {'name': '์ฒ ์ˆ˜', 'score': 90},
        {'name': '์˜ํฌ', 'score': 85},
        {'name': '๋ฏผ์ˆ˜', 'score': 70},
        {'name': 'ํ˜•์ค€', 'score': 50},
        {'name': '๊ธฐ๋‚จ', 'score': 68},
        {'name': '๋™ํฌ', 'score': 30},
    ]

    for (let i = 0; i < scores.length; i++) {
        if (scores[i]['score'] > 70) {
            console.log(scores[i]['name'])
        }
    }
</script>

i ๊ฐ€ 0์ผ ๋•Œ i ๊ฐ€ scores์˜ 0~4๊นŒ์ง€ ๋ฐ˜๋ณตํ•˜๊ณ  ๊ฐ’์„ ์ฐจ๋ก€๋Œ€๋กœ ๋‚˜ํƒ€๋‚ด๋ผ

- ๋งŒ์•ฝ scores[0~4 = i] ์˜ score ๊ฐ€ 70๋ณด๋‹ค ํฌ๋ฉด

-- scores[0~4 = i] ์˜ name ์„ ๋‚˜ํƒ€๋‚ด๋ผ

 

1์ฃผ์ฐจ ์ˆ™์ œ (ํ’€์ด)

<!doctype html>
<html lang="en">

<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">

    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet"
          integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js"
            integrity="sha384-MrcW6ZMFYlzcLA8Nl+NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP+JcXn/tWtIaxVXM"
            crossorigin="anonymous"></script>

    <title>์ŠคํŒŒ๋ฅดํƒ€์ฝ”๋”ฉํด๋Ÿฝ | ๋ถ€ํŠธ์ŠคํŠธ๋žฉ ์—ฐ์Šตํ•˜๊ธฐ</title>

    <link href="https://fonts.googleapis.com/css2?family=Jua&family=Noto+Sans+KR&display=swap" rel="stylesheet">

    <style>
        * {
            font-family: 'Jua', sans-serif;
        }

        .mytitle {
            width: 100%;
            height: 250px;

            background-image: linear-gradient(0deg, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url("https://img.sbs.co.kr/newsnet/etv/upload/2018/08/28/30000611639_16v9.jpg");
            background-size: cover;
            background-position: center;

            color: white;

            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
        }

        .mypost {
            max-width: 500px;
            width: 95%;

            margin: 10px auto 0 auto;
        }

        .mycomment {
            margin: 20px auto 20px auto;

            box-shadow: 0px 0px 3px 0px black;
            padding: 10px;
        }

        .mycomment > button {
            margin-top: 10px;
        }

        .mycard > .card {
            margin-top: 10px;
            margin-bottom: 10px;
        }
    </style>
</head>

<body>
    <div class="mytitle">
        <h1>์žฅ๋ฒ”์ค€ ๋ฐฉ๋ช…๋ก</h1>
    </div>
    <div class="mypost">
        <div class="mycomment">
            <div class="form-floating mb-3">
                <input type="email" class="form-control" id="floatingInput" placeholder="name@example.com">
                <label for="floatingInput">๋‹‰๋„ค์ž„</label>
            </div>
            <div class="form-floating">
            <textarea class="form-control" placeholder="Leave a comment here" id="floatingTextarea2"
                      style="height: 100px"></textarea>
                <label for="floatingTextarea2">์‘์›๋Œ“๊ธ€</label>
            </div>
            <button type="button" class="btn btn-dark">์‘์›๋‚จ๊ธฐ๊ธฐ</button>
        </div>
        <div class="mycard">
            <div class="card">
                <div class="card-body">
                    <blockquote class="blockquote mb-0">
                        <p>์ƒˆ๋กœ์šด ์•จ๋ฒ” ๋„ˆ๋ฌด ๋ฉ‹์ ธ์š”!</p>
                        <footer class="blockquote-footer">ํ˜ธ๋นต๋งจ<cite title="Source Title"></cite>
                        </footer>
                    </blockquote>
                </div>
            </div>
            <div class="card">
                <div class="card-body">
                    <blockquote class="blockquote mb-0">
                        <p>์ƒˆ๋กœ์šด ์•จ๋ฒ” ๋„ˆ๋ฌด ๋ฉ‹์ ธ์š”!</p>
                        <footer class="blockquote-footer">ํ˜ธ๋นต๋งจ<cite title="Source Title"></cite>
                        </footer>
                    </blockquote>
                </div>
            </div>
            <div class="card">
                <div class="card-body">
                    <blockquote class="blockquote mb-0">
                        <p>์ƒˆ๋กœ์šด ์•จ๋ฒ” ๋„ˆ๋ฌด ๋ฉ‹์ ธ์š”!</p>
                        <footer class="blockquote-footer">ํ˜ธ๋นต๋งจ<cite title="Source Title"></cite>
                        </footer>
                    </blockquote>
                </div>
            </div>
        </div>
    </div>
</body>

</html>

 

1์ฃผ์ฐจ ์ˆ™์ œ (ํ•ด์„)

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">

    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet"
        integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js"
        integrity="sha384-MrcW6ZMFYlzcLA8Nl+NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP+JcXn/tWtIaxVXM"
        crossorigin="anonymous"></script>

    <title>์ดˆ๋ฏธ๋‹ˆํ™ˆํ”ผ - ํŒฌ๋ช…๋ก</title>

    <link href="https://fonts.googleapis.com/css2?family=Noto+Serif+KR:wght@200;300;400;500;600;700;900&display=swap" rel="stylesheet">
    <style>
        * {
            font-family: 'Noto Serif KR', serif;
        }
        .mypic {
            width: 100%;
            height: 300px;

            background-image: linear-gradient(0deg, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://cdn.topstarnews.net/news/photo/201807/456143_108614_510.jpg');
            background-position: center 30%;
            background-size: cover;

            color: white;

            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .mypost {
            width: 95%;
            max-width: 500px;
            margin: 20px auto 20px auto;

            box-shadow: 0px 0px 3px 0px black;
            padding: 20px;
        }

        .mypost > button {
            margin-top: 15px;
        }

        .mycards {
            width: 95%;
            max-width: 500px;
            margin: auto;
        }

        .mycards > .card {
            margin-top: 10px;
            margin-bottom: 10px;
        }
    </style>
</head>
<body>
    <div class="mypic">
        <h1>์‹ญ์„ผ์น˜(10cm) ํŒฌ๋ช…๋ก</h1>
    </div>
    <div class="mypost">
        <div class="form-floating mb-3">
            <input type="text" class="form-control" id="name" placeholder="url">
            <label for="floatingInput">๋‹‰๋„ค์ž„</label>
        </div>
        <div class="form-floating">
            <textarea class="form-control" placeholder="Leave a comment here" id="comment"
                style="height: 100px"></textarea>
            <label for="floatingTextarea2">์‘์›๋Œ“๊ธ€</label>
        </div>
        <button onclick="save_comment()" type="button" class="btn btn-dark">์‘์› ๋‚จ๊ธฐ๊ธฐ</button>
    </div>
    <div class="mycards" id="comment-list">
        <div class="card">
            <div class="card-body">
                <blockquote class="blockquote mb-0">
                    <p>์ƒˆ๋กœ์šด ์•จ๋ฒ” ๋„ˆ๋ฌด ๋ฉ‹์ ธ์š”!</p>
                    <footer class="blockquote-footer">ํ˜ธ๋นต๋งจ</footer>
                </blockquote>
            </div>
        </div>
        <div class="card">
            <div class="card-body">
                <blockquote class="blockquote mb-0">
                    <p>์ƒˆ๋กœ์šด ์•จ๋ฒ” ๋„ˆ๋ฌด ๋ฉ‹์ ธ์š”!</p>
                    <footer class="blockquote-footer">ํ˜ธ๋นต๋งจ</footer>
                </blockquote>
            </div>
        </div>
        <div class="card">
            <div class="card-body">
                <blockquote class="blockquote mb-0">
                    <p>์ƒˆ๋กœ์šด ์•จ๋ฒ” ๋„ˆ๋ฌด ๋ฉ‹์ ธ์š”!</p>
                    <footer class="blockquote-footer">ํ˜ธ๋นต๋งจ</footer>
                </blockquote>
            </div>
        </div>
    </div>
</body>
</html>
Contents

ํฌ์ŠคํŒ… ์ฃผ์†Œ๋ฅผ ๋ณต์‚ฌํ–ˆ์Šต๋‹ˆ๋‹ค

์ด ๊ธ€์ด ๋„์›€์ด ๋˜์—ˆ๋‹ค๋ฉด ๊ณต๊ฐ ๋ถ€ํƒ๋“œ๋ฆฝ๋‹ˆ๋‹ค.