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<!DOCTYPE HTML>
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<html>
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<head>
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<title>Timeline | Background areas with groups</title>
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<style>
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body, html {
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font-family: arial, sans-serif;
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font-size: 11pt;
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}
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</style>
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<script src="../../../dist/vis.js"></script>
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<link href="../../../dist/vis-timeline-graph2d.min.css" rel="stylesheet" type="text/css" />
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</head>
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<body>
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<p>This example demonstrates the item type "background" when using groups.</p>
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<ul>
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<li>Background items having a group are displayed in that group</li>
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<li>Background items without a group are spread over the whole timeline</li>
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<li>Background items with a non-existing group are not displayed</li>
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</ul>
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<div id="visualization"></div>
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<script>
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var items = new vis.DataSet([
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{id: 'A', content: 'Period A', start: '2014-01-16', end: '2014-01-22', type: 'background', group: 1},
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{id: 'B', content: 'Period B', start: '2014-01-23', end: '2014-01-26', type: 'background', group: 2},
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{id: 'C', content: 'Period C', start: '2014-01-27', end: '2014-02-03', type: 'background'}, // no group
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{id: 'D', content: 'Period D', start: '2014-01-14', end: '2014-01-20', type: 'background', group: 'non-existing'},
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{id: 1, content: 'item 1<br>start', start: '2014-01-30', group: 1},
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{id: 2, content: 'item 2', start: '2014-01-18', group: 1},
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{id: 3, content: 'item 3', start: '2014-01-21', group: 2},
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{id: 4, content: 'item 4', start: '2014-01-17', end: '2014-01-21', group: 2},
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{id: 5, content: 'item 5', start: '2014-01-28', type:'point', group: 2},
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{id: 6, content: 'item 6', start: '2014-01-25', group: 2}
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]);
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var groups = new vis.DataSet([
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{id: 1, content: 'Group 1'},
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{id: 2, content: 'Group 2'}
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]);
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var container = document.getElementById('visualization');
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var options = {
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start: '2014-01-10',
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end: '2014-02-10',
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editable: true
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};
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var timeline = new vis.Timeline(container, items, groups, options);
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</script>
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</body>
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</html>
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