<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>樓梯</title> <style> canvas{ /*border:1px solid red;*/ } </style> <script> window.onload = function(){ var canvas = document.getElementById('canvas'); var context = canvas.getContext('2d'); // 開始繪製樓梯,直線繪製 context.beginPath(); context.moveTo(0,0); context.lineTo(100,0); context.lineTo(100,100); context.lineTo(200,100); context.lineTo(200,200); context.lineTo(300,200); context.lineTo(300,300); context.lineTo(400,300); context.lineTo(400,400); context.closePath(); context.strokeStyle = 'pink'; context.fillStyle = 'skyblue'; context.lineWidth = 3; context.stroke(); // context.fill(); } </script> </head> <body> <canvas id="canvas" width="400px" height="400px"></canvas> </body> </html>