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hELLO ยท Designed By ์ •์ƒ์šฐ.
Rainbow๐ŸŒˆCoder

My dev Note๐Ÿ“’

[๊ธฐ์ดˆ ์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ] ํ™”์‚ดํ‘œ ํ•จ์ˆ˜
Javascript/Javascript

[๊ธฐ์ดˆ ์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ] ํ™”์‚ดํ‘œ ํ•จ์ˆ˜

2022. 3. 21. 16:57
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https://youtu.be/KF6t61yuPCY

** ์ฝ”๋”ฉ์•…๋งˆ๋‹˜์˜ ๋ฌด๋ฃŒ ์œ ํŠœ๋ธŒ ๊ฐ•์˜๋ฅผ ๋“ฃ๊ณ  ์ž‘์„ฑํ•œ ํฌ์ŠคํŒ…์ž…๋‹ˆ๋‹ค**

ํƒ€์ž„๋ผ์ธ 1:12:16 ๋ถ€ํ„ฐ

ํ•จ์ˆ˜์„ ์–ธ๋ฌธ : ํ˜ธ์ด์ŠคํŒ…๋จ : ์–ด๋””์„œ๋“  ํ˜ธ์ถœ์ด ๊ฐ€๋Šฅํ•จ : ๊ฐ€๋Šฅํ•œ ์ด์œ  : ์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ๋Š” ์‹คํ–‰ ์ „ ์ดˆ๊ธฐํ™” ๋‹จ๊ณ„์—์„œ ์„ ์–ธ๋œ ๋ชจ๋“  ํ•จ์ˆ˜ ๋ชจ์ž„์„ ์ฐพ์•„์„œ ์ƒ์„ฑ. ์ฆ‰, ํ•จ์ˆ˜๋ฅผ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋Š” ๋ฒ”์œ„๊ฐ€ ์ „์ฒด๊ฐ€ ๋˜๋Š” ๊ฒƒ์ž„.

function sayHelllo(){

    console.log('Hello');

}

ํ•จ์ˆ˜ํ‘œํ˜„์‹ : ํ˜ธ์ด์ŠคํŒ… ๋˜์ง€ ์•Š์Œ : ์ฆ‰, ์ฝ”๋“œ์— ๋„๋‹ฌํ•ด์•ผ๋งŒ ์ƒ์„ฑ๋จ

let sayHelllo = function(){

    console.log('Hello');

}

 

<ํ™”์‚ดํ‘œ ํ•จ์ˆ˜> : ํ•จ์ˆ˜ํ‘œํ˜„์‹์„ ์š”๋ฆฌ์กฐ๋ฆฌ ์š”๋ฆฌํ•˜๋ฉด ๋‚˜์˜ด 

let add = function(num1, num2){

    return num1+num2;

}

 

์œ„๋ฅผ ์•„๋ž˜์™€ ๊ฐ™์ด ๋ฐ”๊ฟ€ ์ˆ˜ ์žˆ๋‹ค.

 

let add = (num1,num2)=>{

    return num1+num2;

}

 

์œ„ ํ•จ์ˆ˜๋Š” ํ•œ์ค„์งœ๋ฆฌ return ๋ฌธ์ด๊ธฐ ๋•Œ๋ฌธ์— ์•„๋ž˜์™€ ๊ฐ™์ด ๋ฐ”๊ฟ€ ์ˆ˜ ์žˆ๋‹ค.

 

let add = (num1,num2) =>{

    num1+num2;

}

 

return๋ฌธ์ด ํ•œ์ค„์ด๋‹ˆ ์‹ฌ์ง€์–ด ๊ด„ํ˜ธ๊นŒ์ง€ ์ƒ๋žตํ•  ์ˆ˜ ์žˆ๋‹ค.

 

let add=(num1,num2)=>num1+num2;

 

 

* ์ธ์ˆ˜๊ฐ€ ํ•˜๋‚˜๋ผ๋ฉด ๊ด„ํ˜ธ๋ฅผ ์ƒ๋žตํ•  ์ˆ˜ ์žˆ๋‹ค.

 

let sayHello = name => `Hello,${name}`;

 

* ์ธ์ˆ˜๊ฐ€ ์—†๋‹ค๋ฉด ๋นˆ๊ด„ํ˜ธ๋กœ ๋†”๋‘์–ด๋„ ๋œ๋‹ค.

 

let showError = () =>{

    alert('error!');

}

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