Creating Chart from HTML Table- CanvasJS JavaScript Charts
Creating Chart from HTML Table- CanvasJS JavaScript Charts
HTML
<script src="http://canvasjs.com/assets/script/canvasjs.min.js"></script>
<br/><!-- Just so that JSFiddle's Result label doesn't overlap the Chart -->
<div id="chartContainer" style="height: 360px; width: 100%;"></div>
<table id="myTable">
<tr>
<th>X</th>
<th>Y</th>
</tr>
<tr>
<td>10</td>
<td>71</td>
</tr>
<tr>
<td>20</td>
<td>55</td>
</tr>
<tr>
<td>30</td>
<td>50</td>
</tr>
<tr>
<td>40</td>
<td>65</td>
</tr>
<tr>
<td>50</td>
<td>95</td>
</tr>
<tr>
<td>60</td>
<td>68</td>
</tr>
<tr>
<td>70</td>
<td>28</td>
</tr>
<tr>
<td>80</td>
<td>34</td>
</tr>
<tr>
<td>90</td>
<td>14</td>
</tr>
</table>
CSS
table, th, td {
border: 1px solid black;
border-collapse: collapse;
text-align: center;
height: 25px;
}
th {
border: 1px solid #008CBA;
background-color: #008CBA;
color: #ffffff;
padding: 5px;
}
JavaScript
var dataPoints = [];
var myTable = document.getElementById('myTable');
//loops through rows
for (i = 1; i < myTable.rows.length; i++){
//gets cells of current row
var cells = myTable.rows.item(i).cells;
var dataPoint = { x: Number(cells.item(0).innerHTML), y: Number(cells.item(1).innerHTML)};
dataPoints.push(dataPoint);
}
var chart = new CanvasJS.Chart("chartContainer",
{
data: [{
dataPoints: dataPoints
}]
});
chart.render();