css/defer-css-optimized.html at main · hsecode/css · GitHub

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<!-- Copyright 2018 Google LLC. SPDX-License-Identifier: Apache-2.0 -->
<!DOCTYPE html>
<html>
<head>
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Optimized</title>
  <style>
    .accordion-btn {
      width: 100%;
      text-align: center;
      font-size: 18px;
      cursor: pointer;
      color: #444;
      background-color: #ADD8E6;
      padding: 19px;
      outline: none;
      border: none;
      border-radius: 2px;
    }
    .container {
      display: none;
      padding: 0 18px;
      background-color: white;
      overflow: hidden;
    }
    h1 {
      word-spacing: 5px;
      color: blue;
      font-weight: bold;
      text-align: center;
    }
  </style>
  <link rel="preload" as="style" href="defer-css.css" onload="this.onload=null;this.rel='stylesheet'">
</head>
<body>

<h1>Critical CSS Demo - Optimized</h1>
<h2>이 데모는 중요한 스타일을 인라인으로 처리하고 그렇지 않은 스타일을 지연합니다.</h2>

  <button class="accordion-btn">Click to see a paragraph styled with set of styles #1.</button>
  <div class="container">
    <p class="paragraph1">This is an example of a paragraph that uses <strong>line breaks</strong> for text. This is an example of a paragraph that uses <strong>line breaks</strong> for text. This is an example of a paragraph that uses <strong>line breaks</strong> for text. This is an example of a paragraph that uses <strong>line breaks</strong> for text. This is an example of a paragraph that uses <strong>line breaks</strong> for text. This is an example of a paragraph that uses <strong>line breaks</strong> for text. This is an example of a paragraph that uses <strong>line breaks</strong> for text.</p>
  </div>

  <button class="accordion-btn">Click to see a paragraph styled with set of styles #2.</button>
  <div class="container">
    <p class="paragraph2">This is an example of a paragraph that uses <strong>elipsis</strong> for the overflow text. This is an example of a paragraph that uses <strong>elipsis</strong> for the overflow text. This is an example of a paragraph that uses <strong>elipsis</strong> for the overflow text. This is an example of a paragraph that uses <strong>elipsis</strong> for the overflow text.</p>
  </div>

  <button class="accordion-btn">Click to see a paragraph styled with set of styles #3.</button>
  <div class="container">
    <p class="paragraph3">This is an example of a paragraph that <strong>trims text</strong>. This is an example of a paragraph that <strong>trims text</strong>. This is an example of a paragraph that <strong>trims text</strong>. This is an example of a paragraph that <strong>trims text</strong>. This is an example of a paragraph that <strong>trims text</strong>. This is an example of a paragraph that <strong>trims text</strong>.</p>
  </div>

  <script>
    var accordionBtn = document.getElementsByClassName("accordion-btn");

    for (let i = 0; i < accordionBtn.length; i++) {
        accordionBtn[i].addEventListener("click", function() {
            var container = this.nextElementSibling;
            if (container.style.display === "block") {
                container.style.display = "none";
            } else {
                container.style.display = "block";
            }
        });
    }
  </script>

</body>
</html>