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[๋ฐ”๋‹๋ผJS] ๋…ธ๋งˆ๋“œ์ฝ”๋” #2.2

์˜ค๋ธŒ ๐Ÿง™‍โ™‚๏ธ 2022. 9. 21. 15:22

๋ณ€์ˆ˜์— ๋Œ€ํ•ด ๋ฐฐ์› ๋‹ค.

ํŒŒ์ด์ฌ์ด๋‚˜ c๋ž‘์€ ๋‹ค๋ฅธ ๋ฌธ๋ฒ•!

 

๋ณ€์ˆ˜ ์ง€์ •ํ•  ๋• const๋ฅผ ์‚ฌ์šฉํ•œ๋‹ค.

๋ณ€์ˆ˜์— ๋„์–ด์“ฐ๊ธฐ๊ฐ€ ํ•„์š”ํ•  ๊ฒฝ์šฐ, ๋„์–ด์“ฐ๊ธฐ๋Š” ๋นผ๊ณ , ๋„์–ด์“ฐ๊ธฐ ๋‹ค์Œ ๋ฌธ์ž๋ฅผ ๋Œ€๋ฌธ์ž๋กœ ์“ด๋‹ค.

ex) my name (x) myName (o)

์ด๋Ÿฐ ๋ฐฉ์‹์„ camelCase๋ผ๊ณ  ํ•œ๋‹ค. (๋‚™ํƒ€ ๋“ฑ ๋ชจ์–‘)

ํŒŒ์ด์ฌ์—์„œ ์‚ฌ์šฉํ•˜๋Š” ๋„์–ด์“ฐ๊ธฐ ๋ฐฉ์‹์€ snake_case (๋ฑ€ ๋ชจ์–‘) ์ด๋ผ๊ณ  ๋ถ€๋ฅธ๋‹ค.

 

์ฝ˜์†” ์ฐฝ์— ๊ฐ’์„ ๋ถˆ๋Ÿฌ์˜ฌ ๋•

console.log(์–ด์ฉŒ๊ณ );

ํ˜•ํƒœ(๋ฌธ๋ฒ•)๋ฅผ ์‚ฌ์šฉํ•œ๋‹ค.

 

const a = 5;
const b = 2;
const myName = "yeon"; //camelCase (๋‚™ํƒ€๋“ฑ๋ชจ์–‘)
//very_long_variable_name ํŒŒ์ด์ฌ ๋ฐฉ์‹ snake_case (๋ฑ€๋ชจ์–‘)

console.log(a + b);
console.log(a * b);
console.log(a / b);
console.log("hello "+ myName );

๊ฒฐ๊ณผ