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Interactive visualizations of time series using JavaScript and the HTML canvas tag
JavaScript HTML Other

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dygraphs JavaScript charting library

The dygraphs JavaScript library produces interactive, zoomable charts of time series:

Learn more about it at

Get help with dygraphs on Stack Overflow (preferred) and Google Groups


Minimal Example

<script type="text/javascript" src="dygraph-combined.js"></script>
<div id="graphdiv"></div>
<script type="text/javascript">
  g = new Dygraph(
        document.getElementById("graphdiv"),  // containing div
        "Date,Temperature\n" +                // the data series
        "2008-05-07,75\n" +
        "2008-05-08,70\n" +
        { }                                   // the options

Learn more by reading the tutorial and seeing demonstrations of what dygraphs can do in the gallery.


To get going, clone the repo and run:

npm install
gulp dist

Read more about the dygraphs development process in the developer guide.


dygraphs uses:

  • UglifyJS (BSD License)
  • JsDoc Toolkit (MIT license)
  • console-polyfill (MIT license)

automated tests use:

  • auto_tests/lib/jquery-1.4.2.js (MIT & GPL2)
  • auto_tests/lib/Asserts.js (Apache 2.0 License)
  • auto-tests/lib/JsTestDriver-1.3.3cjar (Apache 2.0 License)

dygraphs is available under the MIT license, included in LICENSE.txt.

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