1. Routing

์‹ค์Šต ๋ ˆํฌ

์›น ์‚ฌ์ดํŠธ๋Š” URL์— ๋”ฐ๋ผ ๋‹ค๋ฅธ ์›น ํŽ˜์ด์ง€๋ฅผ ๋ณด์—ฌ์ค€๋‹ค.

ํ•˜๋‚˜์˜ ์›น ํŽ˜์ด์ง€๋ฅผ ํ•˜๋‚˜์˜ ์ปดํฌ๋„ŒํŠธ๋กœ ๋งŒ๋“ค๊ณ , URL์— ๋”ฐ๋ผ ์ ์ ˆํ•œ ์ปดํฌ๋„ŒํŠธ๊ฐ€ ๋ณด์ด๊ฒŒ๋” ๊ตฌํ˜„ํ•œ๋‹ค.

function App() {
  const { pathname } = window.location;

  return (
    <div>
      <Header />
      <main>
        {pathname === "/" && <HomePage />}
        {pathname === "/about" && <AboutPage />}
      </main>
      <Footer />
    </div>
  );
}

HTML DOM API

์šฐ์„  Dom์€ ์›น์—์„œ ๋ฌธ์„œ์˜ ๊ตฌ์กฐ์™€ ์ฝ˜ํ…์ธ ๋ฅผ ๊ตฌ์„ฑํ•˜๋Š” ๊ฐ์ฒด์˜ ๋ฐ์ดํ„ฐ ํ‘œํ˜„์ž…๋‹ˆ๋‹ค. (document object model)

dom์€ ์›น ๋ฌธ์„œ๋ฅผ ์œ„ํ•œ ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์ธํ„ฐํŽ˜์ด์Šค์ด๋‹ค.

dom api๋ฅผ ์ด์šฉํ•ด ์กฐ์ž‘ํ•œ๋‹ค.

Location

Location ์ธํ„ฐํŽ˜์ด์Šค๋Š” ๊ฐ์ฒด๊ฐ€ ์—ฐ๊ฒฐ๋œ ์žฅ์†Œ(URL)๋ฅผ ํ‘œํ˜„ํ•œ๋‹ค.

Location ์ธํ„ฐํŽ˜์ด์Šค์— ๋ณ€๊ฒฝ์„ ๊ฐ€ํ•˜๋ฉด ์—ฐ๊ฒฐ๋œ ๊ฐ์ฒด์—๋„ ๋ฐ˜์˜๋˜๋Š”๋ฐ,

Document์™€ Window ์ธํ„ฐํŽ˜์ด์Šค๊ฐ€ ์ด๋Ÿฐ Location์„ ๊ฐ€์ง€๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค. ๊ฐ๊ฐ Document.location๊ณผ Window.location์œผ๋กœ ์ ‘๊ทผํ•  ์ˆ˜ ์žˆ๋‹ค.

  • Location.href (en-US) ์˜จ์ „ํ•œ URL์„ ๊ฐ’์œผ๋กœ ํ•˜๋Š” DOMString. ๋ฐ”๋€” ๊ฒฝ์šฐ ์—ฐ๊ฒฐ๋œ ๋ฌธ์„œ๋„ ์ƒˆ๋กœ์šด ํŽ˜์ด์ง€๋กœ ์ด๋™ํ•ฉ๋‹ˆ๋‹ค. ์—ฐ๊ฒฐ๋œ ๋ฌธ์„œ์™€ ๋‹ค๋ฅธ ์˜ค๋ฆฌ์ง„์—์„œ๋„ ์„ค์ •ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

  • Location.host (en-US) URL์˜ ํ˜ธ์ŠคํŠธ ๋ถ€๋ถ„์„ ๊ฐ’์œผ๋กœ ํ•˜๋Š” DOMString์œผ๋กœ, ํ˜ธ์ŠคํŠธ๋ช…, ':', ํฌํŠธ ๋ฒˆํ˜ธ๋ฅผ ํฌํ•จ.

  • Location.pathname (en-US) '/' ๋ฌธ์ž ๋’ค URL์˜ ๊ฒฝ๋กœ๋ฅผ ๊ฐ’์œผ๋กœ ํ•˜๋Š” DOMString์ž…๋‹ˆ๋‹ค.

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