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Documenting web technologies, including CSS, HTML, and JavaScript, since 2005.
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Canvas 教程
<canvas>是一个可以使用脚本 (通常为JavaScript) 来绘制图形的 HTML 元素。例如，它可以用于绘制图表、制作图片构图或者制作简单的 (以及不那么简单的) 动画。右边的图片展示了一些 <canvas> 的实现示例，在这个教程后面我们将看到。
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