score:0
Accepted answer
already found : between line 999 and 1023 in chart.js before drawing - i've added the line
id: chartelements[0].id,
so the data with the name id is in the dom avaiable.
score:1
as an alternative pass a json string as your label, then intercept to render. for example:
var canvas = document.getelementbyid(id);
var d = canvas.getcontext("2d");
var chart = new chart(d).pie(json, {
segmentstrokewidth: 1,
tooltiptemplate: "<%=label%>", //default the label
customtooltips: function (tooltip) {
// hide if no tooltip
if (!tooltip) {
return;
}
var tooltipobj = json.parse(tooltip.text);
// etc
Source: stackoverflow.com
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