javascript文法のwith文


<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<script type="text/javascript"> 
/*
	with  :   With   ,                      。
 
	
	  :
		with(  ){
			
			
				
		}
 
	
 
*/
 
	with(document){
		for(var i = 0 ; i<5; i++){
			
			for(var j  =0 ; j<=i ; j++){
				write("* ");	
			}	
			write("<br/>");
		}
		write("<hr/>");
	}
 
 
	function Person(id , name){
		this.id = id;
		this.name = name;	
	}
	
	//      
	var  p = new Person(110,"  ");
	
	
	with(p){
		document.write("  :"+ p.id);
		document.write("  :"+ name);
	}
	
	
 
 
 
 
 
</script>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>     </title>
</head>
 
<body>
</body>
</html>