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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>慕课网Wiki</title> <style> #imooc{ border:1px solid #ccc; } </style> </head> <body> <canvas id="imooc">您的浏览器不支持 HTML5 canvas 标签</canvas> <script> const canvas = document.getElementById('imooc'); const ctx = canvas.getContext('2d'); ctx.strokeStyle="#456795"; ctx.lineWidth=18; ctx.beginPath() ctx.moveTo(30,20); ctx.lineTo(100,75); ctx.lineTo(30,130); ctx.lineJoin="miter"; // 设置了拐角属性为尖角 ctx.miterLimit=1.6; // 设置了斜接长度最大为1.6 ctx.stroke(); </script> </body> </html>
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