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Dataline

Quick and dirty script to draw line graphs. Current features:

  • Min/max/zero line.
  • Min/max labels.
  • Single line.
  • Width-responsive.
  • Drawn onto HTML5 canvas.

Multiple lines, ticks, x-axis labels etc. are not support. There are other libraries that support all of these. It has no dependencies but requires ES5, canvas and requestAnimationFrame support.

Example

HTML/JavaScript code:

<canvas class="chart" id="chart" data-values="1,2,3,-1,-3,0,1,2"></canvas>        
<script src="dataline.js"></script>
<script>Dataline.draw('chart');</script>

CSS code:

.chart { width: 100%; height: 200px; }

Example can be seen on http://demos.rlaanemets.com/dataline/example.html

API

Draw chart:

Dataline.draw(elementId, [array]);

where array is the optional array of numbers for the line. This method must be called only once per element.

License

The MIT License. See the LICENSE file.

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Quick and dirty script to draw line graphs.

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