源代碼
點擊運行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>教程</title> </head> <body> <canvas id="myCanvas" width="200" height="100" style="border:1px solid #d3d3d3;"> 您的瀏覽器不支持 HTML5 canvas 標籤。</canvas> <script> var c=document.getElementById("myCanvas"); var ctx=c.getContext("2d"); // Create gradient var grd=ctx.createLinearGradient(0,0,200,0); grd.addColorStop(0,"red"); grd.addColorStop(1,"white"); // Fill with gradient ctx.fillStyle=grd; ctx.fillRect(10,10,150,80); </script> </body> </html>
運行結果