js HTML5 canvas绘制图片的方法
时间：2021-10-15 08:20:58 | 栏目：JavaScript代码 | 点击：次
本文实例为大家分享了HTML5 canvas绘制图片的具体代码，供大家参考，具体内容如下
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>
图片：
效果：
