Whenever I draw something in the canvas using the setinterval() function, the things repeat.how can I remove the last drawnShape

Question

Javascript html5 canvas algorithms

Answer 1

You can clear the entire canvas with this function:
ctx.clearRect(0, 0, <canvasWidth>, <canvasHeight>);

Answer 2

You need to store the line's properties in

VARIABLES

Answer 3

For example I drew a line and gave it a velocity. I want the line to look as if it's falling down. But it continues drawing from the last location. What should I do so that it draws again from the new location?

Answer 4

Okay THANKS