JavaScript를 버리기 위한 필수 HTML 및 CSS 요령

<label class="switch">
  <input type="checkbox" class="switch-input">
  <span class="switch-slider"></span>
</label>

/* The outer container for the switch */
.switch { 
  position: relative;
  display: inline-block;
  width: 60px;
  height: 34px;
}

/* The hidden checkbox input */
.switch-input {
  opacity: 0;
  width: 0;
  height: 0;
}

/* The visible slider (background) of the switch */
.switch-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: .4s;
}

/* The circle (slider button) inside the switch */
.switch-slider:before {
  position: absolute;
  content: "";
  height: 26px;
  width: 26px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: .4s;
}

/* Pseudo-class that styles the switch when the checkbox is checked */
.switch-input:checked + .switch-slider {
  background-color: #2196F3;
}

/* Moves the slider button to the right when the switch is checked */
.switch-input:checked + .switch-slider:before {
  transform: translateX(26px);
}

<input type="text" list="suggestions" placeholder="Choose an option...">
<datalist id="suggestions">
  <option value="Open AI">
  <option value="Open Source">
  <option value="Open Source Software">
</datalist>

.container {
  width: 300px; 
  display: block; 
}

input {
  padding: 10px;
  font-size: 18px;
  width: 100%;
  box-sizing: border-box;
}

<nav>
  <a href="#section1">Go to Section 1</a>
  <a href="#section2">Go to Section 2</a>
  <a href="#section3">Go to Section 3</a>
</nav>

<!-- Section 1 -->
<section id="section1">
  <h2>Section 1</h2>
</section>

<!-- Section 2 -->
<section id="section2">
  <h2>Section 2</h2>
</section>

<!-- Section 3 -->
<section id="section3">
  <h2>Section 3</h2>
</section>

/* Basic styling for sections */
section {
    height: 100vh;
    padding: 20px;
    font-size: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Different background colors for each section */
#section1 {
    background-color: lightcoral;
}

#section2 {
    background-color: lightseagreen;
}

#section3 {
    background-color: lightblue;
}

/* Styling for the navigation */
nav {
    position: fixed;
    top: 10px;
    left: 10px;
}

nav a {
    display: block;
    margin-bottom: 10px;
    text-decoration: none;
    color: white;
    padding: 10px 20px;
    background-color: #333;
    border-radius: 5px;
}

nav a:hover {
    background-color: #555;
}