canvas清除arc
时间: 2023-09-30 20:13:18 浏览: 47
回答: 要清除canvas上的arc,你可以使用canvas的clearRect方法来清除整个canvas或指定区域的内容。代码示例如下:
```javascript
const canvas = document.querySelector('canvas');
const context = canvas.getContext('2d');
// 清除整个canvas
context.clearRect(0, 0, canvas.width, canvas.height);
// 或者清除指定区域
context.clearRect(x, y, width, height);
```
你可以根据需要选择清除整个canvas还是指定区域的内容。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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