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<!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"> <meta name="description" content=""> <meta name="author" content=""> <link rel="icon" HREF="favicon.ico"> <title>Data - vis.js - A dynamic, browser based visualization library.</title> <!-- Bootstrap core CSS --> <link href="../css/bootstrap.css" rel="stylesheet"> <!-- Tipue vendor css --> <link href="../css/tipuesearch.css" rel="stylesheet"> <link href="../css/style.css" rel="stylesheet"> <!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries --> <!--[if lt IE 9]> <script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script> <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script> <![endif]--> <link href="../css/prettify.css" type="text/css" rel="stylesheet"/> <script type="text/javascript" src="../js/googleAnalytics.js"></script> <script type="text/javascript" src="../js/prettify/prettify.js"></script> <script src="../js/smooth-scroll.min.js"></script> <script language="JavaScript"> smoothScroll.init(); </script> <script type="text/javascript" src="../js/toggleTable.js"></script> </head> <body onload="prettyPrint();"> <div class="navbar-wrapper"> <div class="container"> <nav class="navbar navbar-inverse navbar-static-top" role="navigation"> <div class="container"> <div class="navbar-header"> <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar"> <span class="sr-only">Toggle navigation</span> <span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </button> <a class="navbar-brand hidden-sm" href="./index.html">vis.js</a> </div> <div id="navbar" class="navbar-collapse collapse"> <ul class="nav navbar-nav"> <li><a href="http://www.visjs.org/index.html#modules">Modules</a></li> <li><a href="http://www.visjs.org/blog.html">Blog</a></li> <li><a href="http://www.visjs.org/index.html#download_install">Download</a></li> <li><a href="http://www.visjs.org/showcase/index.html">Showcase</a></li> <li><a href="http://www.visjs.org/index.html#contribute">Contribute</a></li> <li><a href="http://www.visjs.org/featureRequests.html">Feature requests</a></li> <li><a href="http://www.visjs.org/index.html#licenses">License</a></li> </ul> <form class="navbar-form navbar-right" role="search"> <input name="q" id="tipue_search_input" autocomplete="off" type="text" class="form-control" placeholder="Enter keywords"> <button type="submit" class="btn btn-default">Go!</button> </form> <div id="search-results-wrapper" class="panel panel-default"> <div class="panel-body"> <div id="tipue_search_content"></div> </div> </div> <div id="keyword-info" class="panel panel-success"> <div class="panel-body"> Found <span id="keyword-count"></span> results. Click <a id="keyword-jumper-button" href="">here</a> to jump to the first keyword occurence! </div> </div> </div> </div> </nav> </div> </div> <a href="https://github.com/almende/vis" class="hidden-xs hidden-sm hidden-md"><img style="position: absolute; top: 0; right: 0; border: 0;" src="https://camo.githubusercontent.com/38ef81f8aca64bb9a64448d0d70f1308ef5341ab/68747470733a2f2f73332e616d617a6f6e6177732e636f6d2f6769746875622f726962626f6e732f666f726b6d655f72696768745f6461726b626c75655f3132313632312e706e67" alt="Fork me on GitHub" data-canonical-src="https://s3.amazonaws.com/github/ribbons/forkme_right_darkblue_121621.png"></a> <div class="container full"> <h1>Data</h1> <p> One of the starting points of the visualizations of vis.js is that they can deal with dynamic data, and allow manipulation of the data. To enable this, vis.js includes a flexible key/value based <code>DataSet</code> and <code>DataView</code> to handle unstructured JSON data. </p> <p> By providing a <code>DataSet</code> with data to the visualizations, they can subscribe on changes in the <code>DataSet</code> and automatically reflect the changes in their view. Changes in the data can be caused by a server pushing updates to a client, or by other interactive components in the web application. Vice versa, data can be manipulated in one of the visualizations. For example a REST-client can listen for changes and automatically write changes to the server. Or changes can be propagated to other parts of the web application. </p> <h2>DataSet</h2> <p> A <code>DataSet</code> can be used to store JSON objects by id. Objects can be added, updated and removed from the DatSet, and one can subscribe to changes in the <code>DataSet</code>. The data in the <code>DataSet</code> can be filtered and ordered, and fields (like dates) can be converted to a specific type. Data can be normalized when appending it to the <code>DataSet</code> as well. </p> <p> <a href="dataset.html">Go to the documentation of DataSet</a> </p> <h2>DataView</h2> <p> A <code>DataView</code> offers a filtered and/or formatted view on a DataSet. One can subscribe to changes in a <code>DataView</code>, and easily get filtered or formatted data without having to specify filters and field types all the time. </p> <p> <a href="dataview.html">Go to the documentation of DataView</a> </p> </div> <!-- Bootstrap core JavaScript ================================================== --> <!-- Placed at the end of the document so the pages load faster --> <script src="../js/jquery.min.js"></script> <script src="../js/bootstrap.min.js"></script> <!-- IE10 viewport hack for Surface/desktop Windows 8 bug --> <script src="../js/ie10-viewport-bug-workaround.js"></script> <!-- jquery extensions --> <script src="../js/jquery.highlight.js"></script> <script src="../js/jquery.url.min.js"></script> <!-- Tipue vendor js --> <script src="../js/tipuesearch.config.js"></script> <script src="../js/tipuesearch.js"></script> <!-- controller --> <script src="../js/main.js"></script>