<!doctype html> <html> <head> <title>Network | Selections</title> <script type="text/javascript" src="../../dist/vis.js"></script> <link href="../../dist/vis.css" rel="stylesheet" type="text/css" /> <style type="text/css"> #mynetwork { width: 400px; height: 400px; border: 1px solid lightgray; } </style> <script src="../googleAnalytics.js"></script> </head> <body> <p> Select nodes or edges by clicking them. To select multiple nodes, long-press (hold) them. </p> <div id="mynetwork"></div> <pre id="info"></pre> <script type="text/javascript"> // create an array with nodes var nodes = [ {id: 1, label: 'Node 1'}, {id: 2, label: 'Node 2'}, {id: 3, label: 'Node 3'}, {id: 4, label: 'Node 4'}, {id: 5, label: 'Node 5'} ]; // create an array with edges var edges = [ {from: 1, to: 2}, {from: 1, to: 3}, {from: 2, to: 4}, {from: 2, to: 5} ]; // create a network var container = document.getElementById('mynetwork'); var data = { nodes: nodes, edges: edges }; var options = { nodes: { shape: 'box' } }; network = new vis.Network(container, data, options); // add event listener network.on('select', function(properties) { console.log('select', properties); delete properties.event; document.getElementById('info').innerHTML = 'Selection: ' + JSON.stringify(properties, null, 2) + '<br>'; }); // set initial selection (id's of some nodes) network.selectNodes([3, 4, 5]); </script> </body> </html>