I have found a small problem with a line chart and the container DIV.
Originally the code would change the display style of the chart container
DIV to ‘none’, so not to display, then get the data, plot the chart and
change the style display back to ‘block’.
If the container div style is set to display ‘none’ when the chart is drawn
it misses data on the legend and y axis labels.
I have fixed this by changing the style display to block before the chart
has drawn.
So just curious on why when the chart is drawn with whilst container
display is set to ‘none’ why this might occur.
The following test code exhibits this problem:
<!DOCTYPE html>
<html>
<head>
<title>Test chart</title>
<script type="text/javascript"
src="https://www.gstatic.com/charts/loader.js";></script>
<script>
google.charts.load('current', {'packages':['corechart']});
function drawChart() {
var d = [["X", "Y"], [0, 10], [1, 20], [2, 25]];
var data = google.visualization.arrayToDataTable(d);
var options = {
title: 'Test chart',
curveType: 'function',
height: 600,
width: 1100,
legend: { position: 'bottom', textStyle: { color: '#202020',
fontSize: 12} }
};
var chart = new
google.visualization.LineChart(document.getElementById('chart'));
chart.draw(data, options);
document.getElementById('chart').style.display = 'block';
}
</script>
<style>
body {margin: 10px;}
#chart {display: none;}
</style>
</head>
<body onload='drawChart()' >
<div id='chart'></div>
</body>
</html>
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