AI 编程工具xxxxxxxxxx<html><head><meta charset="utf-8"><title>菜鸟教程(runoob.com)</title></head><body><span>没有进行clip():</span><canvas id="myCanvas" width="300" height="150" style="border:1px solid #d3d3d3;">您的浏览器不支持 HTML5 canvas 标签。</canvas><script>var c=document.getElementById("myCanvas");