javascript画布如何随机生成图形，图形,函数,生成随机颜色,用于,绘制,位置,绘图,元素,图像，在JavaScript中，你可以使用Canvas API来随机生成图形。Canvas是HTML5提供的一个绘图API，它允许你在网页上创建图形、绘制图像以及进行图形操作。以下是一个简单的例子，演示如何在Canvas上随机生成图形（在这里，我们生成随机颜色的圆形）：
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<span><i class="fa fa-clock-o"></i>2023-09-20</span>
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