<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<canvas width="600" height="400"></canvas>
<script>
var serie2009 = [6, 47, 41, 3, 3];
var serie2019 = [81, 9, 3, 3, 4];
var colores = ["blue","green","yellow", "red","gray"];
dibujarBarra(50, 50, serie2009, colores, "2009");
dibujarBarra(150, 50, serie2019, colores, "2019");
function dibujarRectangulo(x, y, base, altura, color) {
var pantalla = document.querySelector("canvas");
var pincel = pantalla.getContext("2d");
pincel.fillStyle=color;
pincel.fillRect(x,y, base, altura);
pincel.strokeStyle="black";
pincel.strokeRect(x,y, base, altura);
}
function escribirTexto(x , y, texto) {
var pantalla = document.querySelector("canvas");
var pincel = pantalla.getContext("2d");
pincel.font="15px Georgia";
pincel.fillStyle="black";
pincel.fillText(texto, x, y);
}
function dibujarBarra(x, y, serie, colores, texto) {
let z = y;
for (let index = 0; index < serie.length; index++) {
const element = serie[index];
dibujarRectangulo(x,z,50,element,colores[index]);
z = z+element;
}
}
</script>
</body>
</html>
