🎬Animated Menu Indicator | CSS & JavaScript
Tags: javascript, beginners, webdev, tutorial
Published: 2022-09-26 12:58:22

**💡Learn how to build an Animated Menu Indicator in HTML, CSS and JavaScript using modern syntax!**

{% youtube jI2Q3r9TOAc %}

## Source Code:

**Markup**
```html
<!DOCTYPE html>
<html lang="en">

<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>Animated Menu Indicator</title>
  <link rel="stylesheet" href="style.css">
  <script defer src="app.js"></script>
  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.2.0/css/all.min.css">
</head>

<body>
  <div class="navigation">

    <ul>

      <li class="list active" data-color="#e1422e"><a href="#">
          <span class="icon"><i class="fa-solid fa-house"></i></span>
          <span class="title">Home</span>
        </a>
      </li>

      <li class="list" data-color="#f6bc02"><a href="#">
          <span class="icon"><i class="fa-solid fa-user"></i></span>
          <span class="title">Profile</span>
        </a>
      </li>

      <li class="list" data-color="#49a84c"><a href="#">
          <span class="icon"><i class="fa-solid fa-message"></i></span>
          <span class="title">Message</span>
        </a>
      </li>

      <li class="list" data-color="#4c86f9"><a href="#">
          <span class="icon"><i class="fa-solid fa-circle-question"></i></span>
          <span class="title">Help</span>
        </a>
      </li>

      <li class="list" data-color="#461447">
        <a href="#">
          <span class="icon">
            <i class="fa-solid fa-gear"></i>
          </span>
          <span class="title">Settings</span>
        </a>
      </li>

      <div class="indicator"></div>

    </ul>
  </div>
</body>

</html>
```

**CSS**

```css
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;700&display=swap');

* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	font-family: 'Poppins', sans-serif;
}

body {
	display: flex;
	justify-content: center;
	align-items: center;
	min-height: 100vh;
	background: #223160;
	overflow: hidden;
	transition: 0.5s;
}

.navigation {
	position: relative;
	width: 70px;
	height: 350px;
	background: #fff;
	border-radius: 35px;
	box-shadow: 0 15px 25px rgba(0, 0, 0, 0.2);
}

.navigation ul {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	display: flex;
	flex-direction: column;
}

.navigation ul li {
	position: relative;
	list-style: none;
	width: 70px;
	height: 70px;
	z-index: 1;
}

.navigation ul li a {
	position: relative;
	display: flex;
	justify-content: center;
	align-items: center;
	width: 100%;
	color: #333;
	font-weight: 500;
}

.navigation ul li a .icon {
	position: relative;
	display: block;
	line-height: 75px;
	text-align: center;
}

.navigation ul li.active a .icon {
	color: #fff;
}

.navigation ul li a .icon i {
	font-size: 24px;
}

.navigation ul li a .title {
	position: absolute;
	top: 50%;
	left: 110px;
	background: #fff;
	transform: translateY(-50%);
	padding: 5px 10px;
	border-radius: 6px;
	box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
	opacity: 0;
	visibility: hidden;
	transition: 0.5s;
}

.navigation ul li a:hover .title {
	opacity: 1;
	visibility: visible;
	transform: translateX(-25px) translateY(-50%);
}

.navigation ul li a .title::before {
	content: '';
	position: absolute;
	width: 12px;
	height: 12px;
	background: #fff;
	left: -8px;
	top: 46%;
	transform: rotate(45deg) translateY(-50%);
	border-radius: 2px;
	transition: 0.5s;
}
.navigation ul .indicator {
	position: absolute;
	left: 0;
	width: 70px;
	height: 70px;
	transition: 0.5s;
}

.navigation ul .indicator::before {
	content: '';
	position: absolute;
	top: 50%;
	left: 50%;
	width: 50px;
	height: 50px;
	background: #223160;
	transform: translate(-50%, -50%);
	border-radius: 50%;
	transition: 0.5s;
}

.navigation ul li:nth-child(1).active ~ .indicator {
	transform: translateY(70px * 0);
}
.navigation ul li:nth-child(2).active ~ .indicator {
	transform: translateY(calc(70px * 1));
}
.navigation ul li:nth-child(3).active ~ .indicator {
	transform: translateY(calc(70px * 2));
}
.navigation ul li:nth-child(4).active ~ .indicator {
	transform: translateY(calc(70px * 3));
}
.navigation ul li:nth-child(5).active ~ .indicator {
	transform: translateY(calc(70px * 4));
}

.navigation ul li:nth-child(1).active ~ .indicator::before {
	background: #e1422e;
}
.navigation ul li:nth-child(2).active ~ .indicator::before {
	background: #f6bc02;
}
.navigation ul li:nth-child(3).active ~ .indicator::before {
	background: #49a84c;
}
.navigation ul li:nth-child(4).active ~ .indicator::before {
	background: #4c86f9;
}
.navigation ul li:nth-child(5).active ~ .indicator::before {
	background: #461447;
}
```

**JavaScript**
```JavaScript
let list = document.querySelectorAll('li');

for (let i = 0; i < list.length; i++) {
	list[i].onmouseover = function() {
		let j = 0;
		while (j < list.length) {
			list[j++].className = 'list';
		}
		list[i].className = 'list active';
	};
}

// Change Body Color According to Indicator
list.forEach((element) => {
	element.addEventListener('mouseenter', function(event) {
		let bg = document.querySelector('body');
		let color = event.target.getAttribute('data-color');
		bg.style.backgroundColor = color;
	});
});
```

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