为什么我修改不了canvas画布大小
来源：1-2 绘制米字格，复习canvas
BuFang_Q
2016-02-13 21:42
html文件代码
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head lang = "en">
<meta charset=utf-8" />
<title>121212</title>
<script src="jquery-2.1.3.min.js" type = "text/javascript"></script>
<link href="handwriting.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<canvas id="canvas">
您的浏览器不支持canvas
</canvas>
<script src = "handwriting.js"></script>
</body>
</html>
JS文件代码：
var canvasWidth = 800
var canvasHeight = canvasWidth
var canvas = document.getElementById("canvas")[0]
var context = convas.getContext('2d')
canvas.width = canvasWidth
canvas.height = canvasHeight
写回答
关注
2回答
-
- 问天012
- 2016-04-14 11:32:23
var canvas = document.getElementById("canvas")[0]这里要加[0]么？
-
- 慕慕7149077
- 2016-02-14 22:28:46
var canvasWidth=Math.min(800,$(window).width()-20);
学写一个字
canvas系列第四课，与鼠标、触控交互，学习写出一个字
70879 学习 · 52 问题
相似问题