const r = (a, b) => Math.floor(Math.random() * (b - a + 1) + a);
lava.chart({
label: "Lavachart",
type: "AreaChart",
containerId: "chart_div",
data: [
["series", "volcano", "lava"],
[1, r(0, 100), r(0, 100)],
[2, r(100, 200), r(100, 200)],
[3, r(200, 300), r(200, 300)],
[4, r(300, 400), r(300, 400)],
[5, r(400, 500), r(400, 500)],
[6, r(500, 600), r(500, 600)],
[7, r(400, 500), r(400, 500)],
[8, r(300, 400), r(300, 400)],
[9, r(200, 300), r(200, 300)],
[10, r(100, 200), r(100, 200)],
[11, r(0, 100), r(0, 100)]
],
options: {
title: "Let your data flow",
legend: "bottom",
colors: ["#8c470b", "red"]
}
});
lava.draw();