Web APIs(5)

history (2)

<!DOCTYPE html>
<html lang="ko">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <script type="module" defer src="./main.js"></script>
  <style>
    body {
      margin: 0;
    }
    nav {
      background-color: white;
      padding: 10px;
      border: 4px solid;
      position: fixed;
      bottom: 0;
      right: 0;
    }
    nav input {
      width: 50px;
    }
    section {
      height: 100vh;
      border: 10px solid;
      box-sizing: border-box;
    }
    section.page1 {color: red;}
    section.page2 {color: orange;}
    section.page3 {color: green;}
  </style>
</head>
<body>
  <nav>
    <a href="#/page1">p1</a> /
    <a href="#/page2">p2</a> /
    <a href="#/page3">p3</a> /
    <input type="text">
  </nav>
  <div id="app">
    <section id="/page1" class="page1">
      <h1>page 1</h1>
    </section>
    <section id="/page2" class="page2">
      <h1>page 2</h1>
    </section>
    <section id="/page3" class="page3">
      <h1>page 3</h1>
    </section>
  </div>
</body>
</html>
const page1 = /* html */ `
  <section class="page1">
    <h1>Page 1</h1>
  </section>`
const page2 = /* html */ `
  <section class="page2">
    <h1>Page 2</h1>
  </section>`
const page3 = /* html */ `
  <section class="page3">
    <h1>Page 3</h1>
  </section>`
const pageNotFound = /* html */ `
  <section>
    <h1>404 Page Not Found!</h1>
  </section>`

const pages = [
  { path: '#/page1', template: page1},
  { path: '#/page2', template: page2},
  { path: '#/page3', template: page3}
]
const appEl = document.querySelector('#app')

const render = () => {
  console.log(history)
  const page = pages.find(page => page.path === location.hash)
  appEl.innerHTML = page
    ? page.template
    : pageNotFound
}

window.addEventListener('popstate', render)
render()

const pagePush = num => {
  history.pushState(`전달할 데이터 - ${num}`, null, `#/page${num}`)
  render()
}

const inputEl = document.querySelector('nav input')
inputEl.addEventListener('keydown', event => {
  if (event.key === 'Enter') {
    pagePush(event.target.value)
  }
})

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