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Stack flows in you
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Zoeeey

Stack flows in you

๐ŸŸจ JavaScript/๊ฐœ๋…

[์ฝ”๋”ฉ์•™๋งˆ] ํ•จ์ˆ˜์„ ์–ธ๋ฌธ๊ณผ ํ•จ์ˆ˜ํ‘œํ˜„์‹, ๊ทธ๋ฆฌ๊ณ  ํ™”์‚ดํ‘œํ•จ์ˆ˜ (์ถ”๊ฐ€)

2022. 4. 14. 14:15

ํ•จ์ˆ˜์„ ์–ธ๋ฌธ (Function declaration)

function goodCoder(){
  console.log('Hello World');
}

์–ด๋””์„œ๋“  ํ˜ธ์ถœ๊ฐ€๋Šฅํ•˜๋„๋ก ํ˜ธ์ด์ŠคํŒ…๋œ๋‹ค.

ํ•จ์ˆ˜ํ‘œํ˜„์‹ (Function expression)

let goodCoder = function(){
  console.log('Hello World');
}

์ฝ”๋“œ์— ๋„๋‹ฌํ•˜๋ฉด ์ƒ์„ฑ๋œ๋‹ค.


ํ•จ์ˆ˜์„ ์–ธ๋ฌธ๊ณผ ํ•จ์ˆ˜ํ‘œํ˜„์‹์˜ ์ฐจ์ด์ ?

ํ•จ์ˆ˜ํ‘œํ˜„์‹์€ ํ• ๋‹น๋œ ๋‹ค์Œ๋ถ€ํ„ฐ ํ˜ธ์ถœ์ด ๊ฐ€๋Šฅํ•œ ๋ฐ˜๋ฉด, ํ•จ์ˆ˜์„ ์–ธ๋ฌธ์€ ํ˜ธ์ด์ŠคํŒ…์ด ๋˜์–ด์„œ ์„ ์–ธ๋˜๊ธฐ ์ด์ „์—๋„ ํ˜ธ์ถœ์ด ๊ฐ€๋Šฅํ•˜๋‹ค.


ํ™”์‚ดํ‘œํ•จ์ˆ˜ 3๋‹จ๋ณ€์‹ 

์—ฌ๊ธฐ ํ•จ์ˆ˜ํ‘œํ˜„์‹์ด ์žˆ๋‹ค.

let goodCoder = function(code1,code2){
  return code1 + code2;
}

์—ฌ๊ธฐ์„œ funtion์ด ๋น ์ง€๊ณ  ๋งค๊ฐœ๋ณ€์ˆ˜ ๋’ค์— ํ™”์‚ดํ‘œ๊ฐ€ ๋ถ™์„ ์ˆ˜ ์žˆ๋‹ค.

let goodCoder = (code1,code2) => {
  return code1 + code2;
}

์—ฌ๊ธฐ์„œ return๋ฌธ์€ return์ด ๋น ์ง€๊ณ  ๊ด„ํ˜ธ๋กœ ๋ฐ”๊ฟ€ ์ˆ˜ ์žˆ๋‹ค.

let goodCoder = (code1,code2) => (
  code1 + code2;
)

์ฝ”๋“œ๊ฐ€ ํ•œ์ค„์ด๋ฉด ๊ด„ํ˜ธ๋„ ์ƒ๋žต์ด ๊ฐ€๋Šฅํ•˜๋‹ค.

let goodCoder = (code1,code2) => code1 + code2;

์ถœ์ฒ˜ : ์ฝ”๋”ฉ์•™๋งˆ https://www.youtube.com/@codingangma

์ €์ž‘์žํ‘œ์‹œ ๋น„์˜๋ฆฌ ๋™์ผ์กฐ๊ฑด (์ƒˆ์ฐฝ์—ด๋ฆผ)

'๐ŸŸจ JavaScript > ๊ฐœ๋…' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€

[์ฝ”๋”ฉ์•™๋งˆ ์™ธ] ๊ฐ์ฒด ๋ฆฌํ„ฐ๋Ÿด๊ณผ ๊ฐ์ฒด ์ ‘๊ทผ๋ฒ•, ๊ทธ๋ฆฌ๊ณ  ์ƒ์„ฑ์ž ํ•จ์ˆ˜  (0) 2022.04.14
[์ฝ”๋”ฉ์•™๋งˆ ์™ธ] ๊ฐ์ฒด(Object)์™€ ํ”„๋กœํผํ‹ฐ(property)  (0) 2022.04.14
[๋“œ๋ฆผ์ฝ”๋”ฉ/์ฝ”๋”ฉ์•™๋งˆ] scope์™€ hoisting, ๊ทธ๋ฆฌ๊ณ  TDZ (์ถ”๊ฐ€)  (0) 2022.04.14
[๋“œ๋ฆผ์ฝ”๋”ฉ/์ฝ”๋”ฉ์•™๋งˆ] strict๋ชจ๋“œ์™€ var/let/const  (0) 2022.04.14
[๋“œ๋ฆผ์ฝ”๋”ฉ] html์— js๋ฅผ ๋งํฌํ•˜๋Š” ์—ฌ๋Ÿฌ๊ฐ€์ง€ ๋ฐฉ๋ฒ•๋“ค  (0) 2022.04.14
    '๐ŸŸจ JavaScript/๊ฐœ๋…' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€
    • [์ฝ”๋”ฉ์•™๋งˆ ์™ธ] ๊ฐ์ฒด ๋ฆฌํ„ฐ๋Ÿด๊ณผ ๊ฐ์ฒด ์ ‘๊ทผ๋ฒ•, ๊ทธ๋ฆฌ๊ณ  ์ƒ์„ฑ์ž ํ•จ์ˆ˜
    • [์ฝ”๋”ฉ์•™๋งˆ ์™ธ] ๊ฐ์ฒด(Object)์™€ ํ”„๋กœํผํ‹ฐ(property)
    • [๋“œ๋ฆผ์ฝ”๋”ฉ/์ฝ”๋”ฉ์•™๋งˆ] scope์™€ hoisting, ๊ทธ๋ฆฌ๊ณ  TDZ (์ถ”๊ฐ€)
    • [๋“œ๋ฆผ์ฝ”๋”ฉ/์ฝ”๋”ฉ์•™๋งˆ] strict๋ชจ๋“œ์™€ var/let/const
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