TIL/colorss.html at master · Bin-925/TIL · GitHub

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<!DOCTYPE html>
<html lang="en">

<head>
  <title>Document</title>
  <link rel="stylesheet" href="./colors.css">
</head>

<body>
  <ul class="switcher">
    <li id="grayButton"></li>
    <li id="whiteButton"></li>
    <li id="navyButton"></li>
  </ul>

  <h1>Theme Switcher</h1>

  <p>테마를 바꿔봅시다.</p>

  <script>

    const body = document.querySelector('body')
    const grayBtn = document.querySelector('#grayButton')
    const whiteBtn = document.querySelector('#whiteButton')
    const navyBtn = document.querySelector('#navyButton')

    grayBtn.addEventListener('click', function () {
      body.style.backgroundColor = 'pink'
      body.style.color = 'black'
    })

    whiteBtn.addEventListener('click', function () {
      body.style.backgroundColor = 'purple'
      body.style.color = 'white'
    })

    navyBtn.addEventListener('click', function () {
      body.style.backgroundColor = 'green'
      body.style.color = 'white'
    })

  </script>
</body>

</html>