JavaScript示例九(JSON序列化)

<!doctype html>
<html lang="en">
 <head>
  <meta charset="UTF-8">
  <title>JSON序列化示例</title>
 </head>
 <body>
 
 <script>
  var book={
	  title:"Professional JavaScript",
	  authors:["Nicholas C. Zakas","Other"],
	  edition:3,
	  year:2011,
	  //*
	  toJSON:function(){
		  return this;
	  }
	  //*/
  };
  var jsontext=JSON.stringify(book,function(key,value){
	  switch(key){
		  case "authors":
			return value.join(";")
		  case "year":
			return 2015;
		  case "edition":
			return undefined;
		  default:
			return value;
	  }
  },3);
  console.log(jsontext);
	//json序列化函数stringify过滤步骤依次为:toJSON()方法、第二个参数的过滤函数、第三个参数的格式化

 </script>

 </body>
</html>

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