JS+H5+canvas绘制图片教程

来源：咤帕游戏

这次给大家带来JS+H5+canvas绘制图片教程，JS+H5+canvas绘制图片的注意事项有哪些，下面就是实战案例，一起来看一下。

demo.js

window.onload=function() {
 createcanvas();
 drawImage();
}
 function createcanvas() {
 var CANVAS=document.getElementById('mycanvas');
 context=CANVAS.getContext('2d');
 }
function drawImage() {
 var img=new Image();
 img.onload=function() {
 context.drawImage(img,0,0,200,200 );
 }
 img.src="img5.jpg";
}

demo.html

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>canvas</title>
 
 <script type="text/javascript" src="demo.js"></script>
</head>
<body>
 <canvas id="mycanvas" width="400" hight="400" >
<span>你的浏览器不支持canvas</span>
</canvas>
</body>
</html>

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