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JavaScript JSON语法

时间:2017-07-10 12:45:58      阅读:256      评论:0      收藏:0      [点我收藏+]

1.创建JSON

JSON数距的是以键值对存储。

语法:

var JSOM名 ={"name":"张三","sex":"女","age":19};

var JSOM名 ={"student":[{"name":"张三","sex":"男","age":18},{"name":"李四","sex":"女","age":19},{"name":"王五","sex":"女","age":19}]};

var JSOM名 ={"student":{"name":"张三","sex":"男","age":18}};

2.调用JSON

(1)

var JSOM名 ={"name":"张三","sex":"女","age":19};

调用:alert(JSOM名.name);

(2)

var JSOM名 ={"student":[{"name":"张三","sex":"男","age":18},{"name":"李四","sex":"女","age":19},{"name":"王五","sex":"女","age":19}]};

调用:

var arr = JSOM名.student;
for(i=0;i<arr.length;i++)
{
alert(arr[i].age+arr[i].name+arr[i].sex)
}

(3)

var JSOM名 ={"student":{"name":"张三","sex":"男","age":18}};

调用:

alert(JSOM名.student.name);

 

JavaScript JSON语法

原文:http://www.cnblogs.com/zhang1999/p/7144799.html

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