lovecoding
/
Java0715


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script>
        // 使用一串字符串来描述对象
        var personStr = '{"name":"张三","age":20,"interests":["篮球","足球","乒乓球"]}'
        console.log(personStr)
        console.log(typeof personStr)
        // 把对象和字符串之间互相转换
        var person = JSON.parse(personStr)
        console.log(person)

        var person1 = {
            // 格式： 属性名：属性值, 属性名：属性值
            "name": "张三",
            "age": 20,
            "interests": ["篮球", "足球", "乒乓球"],
            "info": function(){
                console.log(this.name + "的年龄" + this.age + ",喜欢的运动有：")
                // 对数组元素的遍历
                for (var i = 0; i < this.interests.length; i++) {
                    console.log(this.interests[i])
                }
            }
        }
        var personStr1 = JSON.stringify(person1)
        console.log(personStr1)
    </script>
</head>
<body>
    Hi Json
</body>
</html>