online check seems to be through the removal of the canvas, re-painted, so can you directly move without cleaning the previous canvas.
online check seems to be through the removal of the canvas, re-painted, so can you directly move without cleaning the previous canvas.
then you move canvas this dom
you must first understand what canvas is. Canvas is translated into Chinese as canvas , just like you wrote a word on a piece of paper. How can you move the word? Wipe it off with an eraser and rewrite it where you need it.
then answer your question, no.
No, just like video playback, the previous frame can only play the next frame.
can not be cleared, but the result is that the moving track of the picture will be retained.
nothing is impossible, as long as you can bear the consequences.
you can not clear, but you still have to redraw the content (picture). The way not to clear it is to have a background picture. Draw a background picture before drawing the content each time, so that the background image will overwrite the last content.
can only be animated.
canvas development is different from page development. To turn your mind to
page development is to put a box
canvas development, that is, to draw
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