```<br><canvas width="1200" height="800"></canvas><br><br><script><br> var pantalla = document.querySelector("canvas");<br> var pincel = pantalla.getContext("2d");<br> pincel.fil
```<br><canvas width="600" height="400"> </canvas><br><br><script><br> var pantalla = document.querySelector("canvas");<br> var pincel = pantalla.getContext("2d"); <br>