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    <!DOCTYPE html>
    <html>
    <head>
    	<meta http-equiv="content-type" content="text/html; charset=ISO-8859-1">
    	<title>Fancytree - Example: Persist</title>
    
    	<script src="//code.jquery.com/jquery-3.2.1.min.js"></script>
    	<script src="//code.jquery.com/ui/1.12.1/jquery-ui.min.js"></script>
    <!--
    	<script src="../lib/jquery.cookie.js"></script>
    -->
    	<script src="//cdnjs.cloudflare.com/ajax/libs/js-cookie/2.0.1/js.cookie.min.js"></script>
    
    	<link href="../src/skin-win8/ui.fancytree.css" rel="stylesheet">
    	<script src="../src/jquery.fancytree.js"></script>
    	<script src="../src/jquery.fancytree.persist.js"></script>
    
    	<!-- Start_Exclude: This block is not part of the sample code -->
    	<link href="../lib/prettify.css" rel="stylesheet">
    	<script src="../lib/prettify.js"></script>
    	<link href="sample.css" rel="stylesheet">
    	<script src="sample.js"></script>
    	<!-- End_Exclude -->
    
    <style type="text/css">
    </style>
    
    <!-- Add code to initialize the tree when the document is loaded: -->
    <script type="text/javascript">
    	$(function(){
    		// Attach the fancytree widget to an existing <div id="tree"> element
    		// and pass the tree options as an argument to the fancytree() function:
    		$("#tree").fancytree({
    			extensions: ["persist"],
    			checkbox: true,
    			selectMode: 3,
    			source: {
    				url: "ajax-tree-plain.json"
    			},
    			persist: {
    				expandLazy: true,
    				// fireActivate: false,    // false: suppress `activate` event after active node was restored
    				// overrideSource: false,  // true: cookie takes precedence over `source` data attributes.
    				store: "auto" // 'cookie', 'local': use localStore, 'session': sessionStore
    			},
    			// don't use this in production code:
    			ajax: {
    				debugDelay: [200, 1000]
    			},
    			init: function(event, data) {
    				data.tree.debug(event.type, data);
    			},
    			restore: function(event, data) {
    				data.tree.debug(event.type, data);
    			},
    			activate: function(event, data) {
    				data.node.debug(event.type, data);
    			},
    			loadChildren: function(event, data) {
    				data.node.debug(event.type, data);
    			},
    			postProcess: function(event, data) {
    				// Create predictable, **unique** keys, which we need for our lazy
    				// persistence example. This is only required for this demo,
    				// because our lazyLoad handler will always return the same
    				// fake data.
    				var prefix = data.node.getIndexHier() + ".";
    				$.each(data.response, function(idx, childEntry){
    					if( childEntry.key == null ) {
    						 childEntry.key = prefix + (idx + 1);
    						 childEntry.title += " (" + childEntry.key + ")";
    					}
    				})
    			},
    			lazyLoad: function(event, data) {
    				data.result = {url: "ajax-sub2.json"};
    			}
    		});
    		var tree = $("#tree").fancytree("getTree");
    
    		addSampleButton({
    			label: "Reset Cookie",
    			newline: false,
    			code: function(){
    				tree.clearCookies();
    			}
    		});
    
    	});
    </script>
    </head>
    <body class="example">
    	<h1>Example: 'persist' extension</h1>
    	<div class="description">
    		<p>
    			Store and restore tree status using cookies or local storage.
    		</p>
    		<p>
    			- Set options<br>
    			- click, expand, and select nodes<br>
    			- press [F5] to reload.
    		</p>
    		<p>
    			<b>Status:</b> production.
    			<b>Details:</b>
    			<a href="https://github.com/mar10/fancytree/wiki/ExtPersist"
    				target="_blank" class="external">ext-persist</a>.
    		</p>
    	</div>
    
    	<div>
    		<label for="skinswitcher">Skin:</label> <select id="skinswitcher"></select>
    	</div>
    
    	<p id="sampleButtons">
    	</p>
    
    	<!-- Add a <table> element where the tree should appear: -->
    	<div id="tree">
    	</div>
    
    	<!-- Start_Exclude: This block is not part of the sample code -->
    	<hr>
    	<p class="sample-links  no_code">
    		<a class="hideInsideFS" href="https://github.com/mar10/fancytree">jquery.fancytree.js project home</a>
    		<a class="hideOutsideFS" href="#">Link to this page</a>
    		<a class="hideInsideFS" href="index.html">Example Browser</a>
    		<a href="#" id="codeExample">View source code</a>
    	</p>
    	<pre id="sourceCode" class="prettyprint" style="display:none"></pre>
    	<!-- End_Exclude -->
    </body>
    </html>