Created
October 19, 2012 20:38
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta http-equiv="content-type" content="text/html; charset=utf-8"> | |
<title>A</title> | |
<script type="text/javascript" src="https://www.google.com/jsapi"></script> | |
</head> | |
<body> | |
<button type="button" id="ChangeSize">Change Size</button> | |
<div id="ChartTest" style="width:1000px;"></div> | |
<script type="text/javascript"> | |
window.onload = function () { | |
function renderChart(size) { | |
google.load("visualization", "1", { | |
packages: ["corechart"], | |
callback: function () { | |
var dataTable = new google.visualization.DataTable(); | |
var data = [14,2,3,4,4,9,90,3,4,8,0,99,33,3,2,32,99,3,1,23,45]; | |
dataTable.addColumn('number', 'index'); | |
dataTable.addColumn('number', 'value'); | |
data.forEach(function (item, index) { | |
dataTable.addRow([index, item]); | |
}); | |
var chart = new google.visualization.BarChart(document.getElementById('ChartTest')); | |
var options = { | |
height: data.length * size // change 60 to 10 or 120 to see the differences | |
} | |
chart.draw(dataTable, options); | |
} | |
}); | |
} | |
var currentSize = 10; | |
document.getElementById('ChangeSize').onclick = function () { | |
var text; | |
switch (currentSize) { | |
case 10: | |
currentSize = 30; | |
text = 'getting bigger'; | |
break; | |
case 30: | |
currentSize = 60; | |
text = 'getting even bigger'; | |
break; | |
case 60: | |
currentSize = 90; | |
text = 'pretty big'; | |
break; | |
case 90: | |
currentSize = 120; | |
text = 'it\'s huge!'; | |
break; | |
case 120: | |
text = 'it\'s ok now!'; | |
currentSize = 10; | |
break; | |
} | |
renderChart(currentSize); | |
this.innerHTML = text; | |
} | |
renderChart(currentSize); | |
} | |
</script> | |
</body> | |
</html> |
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