I create a chart div and add a chart to it. There are pagination
controls and I would like to create the new chart destroying the old
chart each time the user clicks on prev or next pages.
But when I do that the browser seems to have all the old charts (in
window.GChart_AllCharts). How could I delete the old chart from the
browser?
For example when i call the following method by using the 2nd method,
it creates
function drawChart(title1, title2, values, chartDiv) {
var data = new google.visualization.DataTable();
data.addColumn('string', title1);
data.addColumn('number', title2);
data.addRows(values.length);
for(var i=0; i<values.length; i++) {
data.setValue(i, 0, values[i].t);
data.setValue(i, 1, parseFloat(values[i].v));
}
var chart = new google.visualization.AreaChart(chartDiv);
chart.draw(data, {width: 500, height: 200 /*, legend:
'bottom'*/, is3D:true /*, title: 'Company Performance'*/});
}
function loadCurrentGraph(i) {
var graphsDiv = document.getElementById('graphs');
graphsDiv.innerHTML = "";
var key = type + period;
var params = Analyzer.getGraphParams(key);
var chartDiv = document.createElement('div');
chartDiv.setAttribute("name", "finGraph");
setCssFloat(chartDiv, "left");
chartDiv.style.padding = "10px";
graphsDiv.appendChild(chartDiv);
var chartTitleDiv = document.createElement('div');
chartTitleDiv.appendChild(document.createTextNode(params
[i].title));
setCssFloat(chartTitleDiv, "none");
chartDiv.appendChild(chartTitleDiv);
//sheet
var sheet = ns.getSheets()[key];
drawChart("Year", params[i].title, sheet.getValues(params[i].id),
chartDiv);
}
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