CSS: Add border with animation left to right | right to left

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I\'m currently trying to build a tabbed div container:

At the moment it looks like this. I can also switch the tab. Each tab has an is-active c

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Happy的楠姐

2021-01-15 05:45

Yes,you can do it using an extra tag. Call it as a slider for now.

So, now if you click on the slider will move to and fro.

Here is code attached.

var tabs = document.getElementsByClassName('Tab');

Array.prototype.forEach.call(tabs, function(tab) {
	tab.addEventListener('click', setActiveClass);
});

function setActiveClass(evt) {
	Array.prototype.forEach.call(tabs, function(tab) {
		tab.classList.remove('active');
	});
	
	evt.currentTarget.classList.add('active');
}

.Tabs {
	position: relative;
	background-color: #fff;
	margin: 0;
	padding: 0;
	list-style: none;
}

.Tabs:after {
		content: ' ';
		display: table;
		clear: both;
	}

.description_tab {
		float: left;
		width: 33.333%;
		text-align: center;
	}

.description_tab:first-child.active ~ .slider {
			left: 0;
		}

.description_tab:nth-child(2).active ~ .slider {
			left: 33.333%;
		}

.slider {
		position: absolute;
		bottom: 0;
		left: 0;
		width: 33.333%;
		height: 4px;
		background-color: #4A66F4;
		transition: left .25s;
	}

.Tab {
	font-family: 'Roboto Slab';
}

.Tab > a {
		display: block;
		padding: 10px 12px;
		text-decoration: none;
		color: #666;
		transition: color .15s;
	}

.Tab.active > a {
			color: #222;
		}

.Tab:hover > a {
			color: #222;
		}

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
</head>
<body>
  
<ul class="Tabs" role="tablist">
  <li class="description_tab active Tab" id="tab-title-description" role="tab" aria-controls="tab-description"> 
    <a href="#tab-description">Beschreibung</a>
  </li>
  <li class="description_tab Tab" id="tab-title-reviews" role="tab" aria-controls="tab-reviews">
    <a href="#tab-reviews">Fragen / Antworten</a>
  </li>
<li class="slider" role="presentation"></li></ul>
</body>
</html>

Hope this helped you, Thank you.

Credits: from earth on codepen

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