Canvas motion at a constant speed

Canvas motion at a constant speed

The speed of demo1 demo2 is different every time you re-open the page.

<! DOCTYPE html> The Canvas movement uses the timer requestAnimationFrame method to erase 60 frames every second and re-paint them. In our eyes, the Canvas will become an animation after one second of interaction, it should be said that the old cartoons we see on TV are all in this way.