1,HTML source code£º
<![CDATA[
<html>
<head>
<title>How to use Point</title>
</head>
<body>
<script src="jsjava.js"></script>
<script>
function out(str){
document.write(str+"<br>");
}
var p=new Point(30,50);
out(p);
p.setLocation(50,80);
out(p);
p.translate(30,20);
out(p);
</script>
</body>
</html>
]]>
2,The display:
<![CDATA[
{x=30,y=50}
{x=50,y=80}
{x=80,y=100}
]]>