標籤：fun onload doctype type div body raw demo image
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>你的瀏覽器不支援canvas</span></canvas></body></html>
圖片：
效果：
2017-09-08 08:09:02
HTML5 canvas繪製圖片
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