drag & drop example 1

<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>drag &amp; drop</title>
	<link rel="stylesheet" href="http://code.jquery.com/ui/1.11.4/themes/start/jquery-ui.css">
	<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
	<style>
		.card {
			height: 100px;
			border: 1px solid #888;
			text-align: center;
			line-height: 100px;
		}
		.card-name {
			background-color: white;
		}
	</style>
	<script src="http://code.jquery.com/jquery-1.12.4.min.js" integrity="sha256-ZosEbRLbNQzLpnKIkEdrPv7lOy9C27hHQ+Xp8a4MxAQ=" crossorigin="anonymous"></script>
<script src="http://code.jquery.com/ui/1.12.1/jquery-ui.min.js" integrity="sha256-VazP97ZCwtekAsvgPBSUwPFKdrwD3unUfSGVYrahUqU=" crossorigin="anonymous"></script>
<script>
	$(document).ready(function(){

var colors = ["red","green","blue","yellow","orange","pink","black","skyblue"];

	for(var i=0;i<colors.length;i++){
		$(".card-names").append("<div class='card card-name col-sm-3' data-color='" + colors[i] + "'>" + colors[i].toUpperCase() + "</div>");
		$(".card-colors").append("<div class='card card-color col-sm-3' data-color='" + colors[i] + "'></div>");
	}
		$(".card-color").each(function(){
			var bgcolor = $(this).attr("data-color");
			$(this).css({"background-color":bgcolor});
		});

		$(".card-name").draggable({
			cursor: "move",
			revert: true,
			start: function( event, ui ) {
				$(".card-name").css({"z-index":1});
				$(this).css({"z-index":999});
			}
		});

		$(".card-color").droppable({
			snap: true,
			drop: function( event, ui ){
				var tColor = $(this).attr("data-color");
				var oColor = $(ui.draggable).attr("data-color");
				console.log(event);
				if( tColor === oColor ) {
					$(ui.draggable).draggable("option","revert",false);
				}
			}
		});


	});
</script>
</head>
<body>
	<div class="container-fluid">
		<div class="row">
			<div class="card-names col-sm-6">
			</div>
			<div class="card-colors col-sm-6">
			</div>
		</div>
	</div>


</body>
</html>