Simple, tiny & cute.js

init.js

var cute = new STC(canvasContext, {
  w: 800,
  h: 140,
  padding:    Number || 20,
  axes:       false || gradient || "#585858",
  grid:       false || gradient || "#c0c0c0",
  background: false || gradient || "#fff"
});

plot.js

cute.plot([
  [x, y, label]
], {
  type:        "area" || "plot" || "point",
  fill:        gradient || "#d93b3b",
  stroke:      gradient ||  "#f00",
  strokeWidth: Number || 2,
  text:        "#f00",
});