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let date;
let chart;
fetch("api/participation")
.then((response) => response.json())
.then((response) => {
data = response;
console.log(data);
render("bar");
});
function render(type) {
const ctx = document.getElementById("participation").getContext("2d");
chart = new Chart(ctx, {
type,
data: {
labels: data.map((v) => v.name),
datasets: [
{
label: "% of Participation",
data: data.map((v) => Math.round(v.percentage * 100) / 100 || 0),
backgroundColor: () => "#" + (Math.random().toString(16) + "0000000").slice(2, 8),
borderWidth: 1,
},
],
},
options: {
legend: {
display: false,
},
scales: {
yAxes: [
{
ticks: {
beginAtZero: true,
precision: 0,
},
},
],
},
},
});
}
let index = 0;
const types = ["pie", "doughnut", "polarArea", "radar", "line", "bar"];
document.getElementById("switch").addEventListener("click", () => {
chart.destroy();
render(types[index]);
if (index + 1 < types.length) index++;
else index = 0;
});
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