<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>书上例子的实践</title>
<script language="JavaScript" type="text/javascript">
function Addzhi3()
{
var canvas = document.getElementById("addzhi3");
if(canvas && canvas.getContext("2d"))
{
var context = canvas.getContext("2d");
context.beginPath();
context.lineWidth=3;
context.moveTo(160,50);
context.lineTo(50,100);
context.lineTo(160,185);
context.fillStyle="red";
context.fill();
}
}
window.addEventListener("load",Addzhi3(),true);
</script>
</head>
<body>
<canvas height="200" width="170" id="addzhi3"></canvas>
</body>
</html>
0 个回复