Javascript / jQuery：从canvas中删除shape / path [英] Javascript/jQuery: remove shape/path from canvas

问题描述

我无法在画布创建后找到删除形状或路径的函数。

I can't seem to find the function to remove a shape or path from the canvas after it has been created.

所以我创建了一个贝塞尔曲线在2分之间与

So I'm creating a bezier curve between 2 points with

beginPath();
bezierCurveTo();
stroke();
closePath();

。如何在创建后将其从画布中删除？我需要能够通过toggle（）和blur（）调用remove函数。我确定这里有东西存在...

. How can I remove this from the canvas once it's been created? I need to be able to call the remove function via toggle() and blur(). I'm sure something exists for this...

先感谢任何帮助！

推荐答案

感谢您对我们的大力支持 - 帮助我找到了解决方案：

Thanks for the great input to all of you - it helped me find the solution:

context.clearRect(x,y,w,h);

（ link ）

这将清除该矩形内的任何内容。

This will clear anything within that rectangle.

我在找到ILog的回答保存/恢复上下文时发现的页面上的方法，它都在那里。再次感谢。

I found the method on the page I found while digging for ILog's answer to save/restore the context, and it's all on there. Thanks again.

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