1,HTML source code£º
<![CDATA[
<html>
<head>
<title>How to use Rectangle</title>
</head>
<body>
<script src="jsjava.js"></script>
<script>
function out(str){
document.write(str+"<br>");
}
var r=new Rectangle(0,0,200,300);
out(r);
r.add(30, 30);
out(r);
var flag=r.contains(200,300);
out(flag);
r.setLocation(30, 30);
out(r);
r.setSize(500, 600);
out(r);
var r2=new Rectangle(30,60,200,700);
var r3=r.intersection(r2);
out(r3);
var r4=r.union(r2);
out(r4);
</script>
</body>
</html>
]]>
2,The display:
<![CDATA[
{x=0,y=0,width=200,height=300}
{x=0,y=0,width=200,height=300}
false
{x=30,y=30,width=200,height=300}
{x=30,y=30,width=500,height=600}
{x=30,y=60,width=200,height=570}
{x=30,y=30,width=500,height=730}
]]>