<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>JSON--语法--定义</title> <script src="js/jquery-3.3.1.min.js"></script> </head> <body> <script> //定义基本格式 $(function () { var person = {"name": "张三", "sex": "M", "age": 20}; var ps = [{"name": "张三", "sex": "M", "age": 20}, {"name": "李四", "sex": "S", "age": 20}, {"name": "王五", "sex": "M", "age": 22}]; /* for (var key in person){ alert(key+"="+person[key]) }*/ for (var i=0;i<ps.length;i++) { for (var key in ps[i]) { alert(key+"="+ps[i][key]) } } }) </script> </body> </html>
