
ํ๋์ async function ๋ด์์๋ await ํค์๋๋ฅผ ๋ง๋ ๋๋ง๋ค ๋ง ๊ทธ๋๋ก ๊ธฐ๋ค๋ ธ๋ค๊ฐ(await) ๋น๋๊ธฐ์ฒ๋ฆฌ๊ฐ ์๋ฃ ๋ ํ ์ง๋ ฌ๋ก ๋ค์ task๋ฅผ ์ฒ๋ฆฌํ๋ค. ๋ง์ฝ์ async ๋ผ์ด๋ธ๋ฌ๋ฆฌ๋ฅผ ๊ตฌํํ๋ ๊ณผ์ ์ค์ each๋ times ์ฒ๋ผ ์ฌ๋ฌ ๋น๋๊ธฐ task๋ฅผ ๋ณ๋ ฌ์ ์ผ๋ก ์์์ํค๋ ค๋ฉด ์ด๋ป๊ฒ ํด์ผํ ๊น? ๋ง์ฝ Promise.all ๊ฐ ๋ณ๋ ฌ๋ก ๋์ํ๋ค๋ฉด ์๊ฑธ ์ฐ๋ฉด ๋ ๊ฒ ๊ฐ๋ค!! ๊ทธ๋์ ํ๋ฒ ํ์ธํด๋ณด์๋ค. โ async/await ์ง๋ ฌ์ฒ๋ฆฌ function nSecondsLater(n) { console.log(`๐ฉ n=${n} Start`); return new Promise((resolve, reject) => { setTimeout(() => { resolve(`โ ${n} Seconds Later..

์น์ 9:Asynchronous JavaScript 132. Section Overview //1 setTimeout(()=>{console.log('1', 'is the loneliest number')}, 0) setTimeout(()=>{console.log('2', 'can be as bad as one')}, 10) //2 Promise.resolve('hi').then((data)=> console.log('2', data)) //3 console.log('3','is a crowd') // --output-- // 3 is a crowd // 2 hi // Promise // -- program return undefined -- // 1 is the loneliest number // se..

** โ priv | ๊ฐ์๋ ธํธ ์นดํ ๊ณ ๋ฆฌ์ ์๋ ๋ด์ฉ์ ๋ฐํ์ด ๋ชฉ์ ์ด ์๋๊ธฐ ๋๋ฌธ์ ์ ํ ์ ์ ๋์ด์์ง ์์ต๋๋น.** ์น์ 3:Javascript Foundation II 29. Execution Context Creation Phase argument object created with any arguments initializes this keyword to point called or to the global object if not specified Executing Phase Variable Environment created - memory space for variable and functions created initializes all variables to undefined and plac..

** โ priv | ๊ฐ์๋ ธํธ ์นดํ ๊ณ ๋ฆฌ์ ์๋ ๋ด์ฉ์ ๋ฐํ์ด ๋ชฉ์ ์ด ์๋๊ธฐ ๋๋ฌธ์ ์ ํ ์ ์ ๋์ด์์ง ์์ต๋๋น.** ์น์ 15:Appendix II: Intermediate Javascript 207. Advanced Functions Closures a function ran. the function executed. Itโs never going to execute again. BUT itโs going remember that there reference to those variables. so the child scope always access to the parent scope. Currying const multiply = (a,b) => a*b; const curriedMultiply = (..

Exercise: Fix This Code //fill array with 60000 elements const list = new Array(60000).join('1.1').split('.'); function removeItemsFromList() { var item = list.pop(); if (item) { removeItemsFromList(); } }; removeItemsFromList(); ์์ recursive function ์ stack overflow ๋ฅผ ๋ฐ์์ํจ๋ค. recursive call around ๋ ์ ์งํ๋ฉด์ stack overflow ๋ฅผ ํผํ๋ ค๋ฉด ์ด๋ป๊ฒ ๊ณ ์ณ์ผํ ๊น? Solution Code const list = new Array(60000).join('1.1').s..
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