Instead of showing the data of the mouse hovering line in the tooltip, i would like to show all lines data of the same x-axis value. This can be easily done by adding the focusTarget in the chart options object.
<!DOCTYPE html>
<html>
<head>
<script type="text/javascript" src="https://www.google.com/jsapi"></script>
<script type="text/javascript">
google.load("visualization", "1", {packages:["corechart"]});
google.setOnLoadCallback(drawChart);
function drawChart() {
var rawData = [
['Year', 'Sales', 'Expenses'],
['2004', 1000, 400],
['2005', 1170, 460],
['2006', 660, 1120],
['2007', 1030, 540]
];
var data = google.visualization.arrayToDataTable(rawData);
var options = {
title: 'Company Performance',
focusTarget: 'category' // Group the lines in tooltip
};
var chart = new google.visualization.LineChart(document.getElementById('chart_div'));
chart.draw(data, options);
}
</script>
</head>
<body>
<div id="chart_div" style="width: 900px; height: 500px;"></div>
</body>
</html>
Here is the result.
Done =)
Reference:
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